{"id":11626,"date":"2021-04-02T15:33:28","date_gmt":"2021-04-02T07:33:28","guid":{"rendered":"https:\/\/www.humicchina.com\/?p=11626"},"modified":"2025-06-26T16:51:54","modified_gmt":"2025-06-26T08:51:54","slug":"study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears","status":"publish","type":"post","link":"https:\/\/www.humicchina.com\/ar\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears","title":{"rendered":"Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears"},"content":{"rendered":"<p><span style=\"color: #000000;\">Spraying <a href=\"https:\/\/www.humicchina.com\/mineral-fulvic-acid\" target=\"_blank\" rel=\"noopener noreferrer\">potassium fulvic acid<\/a> (Other name: <a href=\"https:\/\/www.humicchina.com\/mineral-fulvic-acid\" target=\"_blank\" rel=\"noopener noreferrer\">potassium fulvate<\/a>, <a href=\"https:\/\/www.humicchina.com\/mineral-fulvic-acid\" target=\"_blank\" rel=\"noopener noreferrer\">potassium humate<\/a>) fertilizer 3000-5000 times during the full-bloom period, all improved the fruit setting rate of YUANSHUAI, LUAO,JINGUAN apples and pears to varying degrees.<!--more--> The effect diminishes as the concentration decreases.<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-11628 size-full\" src=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/1-2-1.jpg\" alt=\"Spraying potassium fulvic acid (Other name: potassium fulvate, potassium humate) 3000-5000 times during the full-bloom period, all improved the fruit setting rate of YUANSHUAI, LUAO,JINGUAN apples and pears to varying degrees. The effect diminishes as the concentration decreases.\" width=\"750\" height=\"1103\" srcset=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/1-2-1.jpg 750w, https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/1-2-1-153x225.jpg 153w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/span><\/p>\n<p><span style=\"color: #000000;\">Potassium fulvic acid fertilizer is a hormone-like substance with high biological activity. The substance has significant effects in improving crop and vegetable yield, quality, disease resistance and other aspects.<\/span><\/p>\n<p><span style=\"color: #000000;\">In this experiment, it was used to improve the fruit setting rate of apples and pears. It is a new method to solve the low fruit setting rate of some apples and pears.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\"><strong>1. Test materials and methods<\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">The experiment will be carried out in Qinglong County and Funing County, Hebei Province from 2020 to 2021. The potassium fulvic acid fertilizer used is black flake produced by Jingfeng Humic Acid Factory. Containing 50% humic acid, 50% fulvic acid, and 12% potassium oxide.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">The selected test material is the normal-growing big tree in full fruit period. In the same set of experiments, the tree vigor, crown size and ecological conditions were consistent. And the coefficient of variation of the branch and flower load was all under 8%.<\/span><\/p>\n<p><span style=\"color: #000000;\">Fulvic acid potassium concentration experiment.<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #000000;\">A. Using split plant plots, random arrangement, 3-5 repetitions.<\/span><\/li>\n<li><span style=\"color: #000000;\">B. The treatment on apples is spraying 5000, 2500, 1000, 500 times solution and water control during full blooming period.<\/span><\/li>\n<li><span style=\"color: #000000;\">C. The five treatments applied on pears at the full blooming stage were 2000, 1500, 1000, 500 times liquid and clear water control.<\/span><\/li>\n<li><span style=\"color: #000000;\">D. The application time test of potassium fulvate used a single plant plot and repeated 3 times.<\/span><\/li>\n<li><span style=\"color: #000000;\">E. The treatment is the control when spraying 2000 times liquid in the balloon period and spraying clear water (full bloom period).<\/span><\/li>\n<li><span style=\"color: #000000;\">F. The fruit setting rate survey was conducted after the physiological fruit dropping, and the survey data was analyzed by variance analysis.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: left; padding-left: 40px;\"><span style=\"color: #000000;\"><strong>2. Results and analysis<\/strong><\/span><\/p>\n<ul>\n<li>\n<h2><span style=\"color: #000000; font-size: 14pt;\">The effect of potassium fulvic acid fertilizer on the fruit setting rate of apple<\/span><\/h2>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter wp-image-11629 size-full\" src=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-apple.jpg\" alt=\"Spraying potassium fulvic acid (Other name: potassium fulvate, potassium humate) 3000-5000 times during the full-bloom period, all improved the fruit setting rate of YUANSHUAI, LUAO,JINGUAN apples and pears to varying degrees. The effect diminishes as the concentration decreases.\" width=\"1421\" height=\"535\" srcset=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-apple.jpg 1421w, https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-apple-300x113.jpg 300w, https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-apple-768x289.jpg 768w\" sizes=\"(max-width: 1421px) 100vw, 1421px\" \/><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">Table 1<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">ITERM<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">Fruit setting rate of flowers<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">Fruit setting rate of inflorescence<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">500 times<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">4.97%<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">21.6%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">1000 times<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">7.34%<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">32.22%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">2500 times<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">8.03%<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">33.75%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">5000 times<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">6.85%<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">31.25%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"177\"><span style=\"color: #000000;\">Compare<\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\">4.43%<\/span><\/td>\n<td width=\"208\"><span style=\"color: #000000;\">18.7%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000;\">Table 1 shows that spraying 500~5000 times solution of potassium fulvate in full bloom period can extremely significantly improve the fruit setting rate of Marshal apple.<\/span><\/p>\n<p><span style=\"color: #000000;\">Among them, the effect of 2500 times solution is the best, and 500 times solution is not significant level. The experiment rules in the two places are basically the same.<\/span><\/p>\n<ul>\n<li>\n<h2><span style=\"color: #000000; font-size: 14pt;\">Influence rate of potassium fulvic acid on fruit setting rate of LUJI apple.<\/span><\/h2>\n<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">TABLE 2<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">Iterm<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">Fruit setting rate of flowers<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">500 times<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">37.4%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">1000 times<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">48.4%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">2500 times<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">33.2%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">5000 times<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">32.3%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"290\"><span style=\"color: #000000;\">Compare<\/span><\/td>\n<td width=\"274\"><span style=\"color: #000000;\">25.2%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000;\">It can be seen from Table 2 that 500-5000 times of potassium humate treatment significantly improved the inflorescence fruit setting rate of LUAO apples.<\/span><\/p>\n<p><span style=\"color: #000000;\">Among them, 500-1000 times solution has the best effect. The effect of 1000 times liquid on the fruit setting rate of LUAO varieties was significantly higher than that of 500 times liquid treatment.<\/span><\/p>\n<ul>\n<li>\n<h2><span style=\"color: #000000; font-size: 14pt;\">The effect of different spraying periods of potassium fulvic acid fertilizer<\/span><\/h2>\n<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">TABLE 3<\/span><\/p>\n<table>\n<thead>\n<tr>\n<td width=\"112\"><span style=\"color: #000000;\">Iterm<\/span><\/td>\n<td width=\"203\"><span style=\"color: #000000;\">Fruit setting rate of inflorescence<\/span><\/td>\n<td width=\"217\"><span style=\"color: #000000;\">Fruit setting rate of flowers<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"112\"><span style=\"color: #000000;\">\u00a02000 times<\/span><\/td>\n<td width=\"203\"><span style=\"color: #000000;\">25.2%<\/span><\/td>\n<td width=\"217\"><span style=\"color: #000000;\">5.8%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"112\"><span style=\"color: #000000;\">2000 times<\/span><\/td>\n<td width=\"203\"><span style=\"color: #000000;\">52.4 1%<\/span><\/td>\n<td width=\"217\"><span style=\"color: #000000;\">13.4%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"112\"><span style=\"color: #000000;\">Compare<\/span><\/td>\n<td width=\"203\"><span style=\"color: #000000;\">25.6%<\/span><\/td>\n<td width=\"217\"><span style=\"color: #000000;\">5.74%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter wp-image-11630 size-full\" src=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-Pear.jpg\" alt=\"Spraying potassium fulvic acid (Other name: potassium fulvate, potassium humate) 3000-5000 times during the full-bloom period, all improved the fruit setting rate of YUANSHUAI, LUAO,JINGUAN apples and pears to varying degrees. The effect diminishes as the concentration decreases.\" width=\"558\" height=\"415\" srcset=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-Pear.jpg 558w, https:\/\/www.humicchina.com\/wp-content\/uploads\/2021\/04\/The-effect-of-potassium-fulvic-acid-on-the-fruit-setting-rate-of-Pear-300x223.jpg 300w\" sizes=\"(max-width: 558px) 100vw, 558px\" \/><\/span><\/p>\n<p><span style=\"color: #000000;\">Potassium fulvic acid using on increasing the fruit rate and fruit rate of apple, table 3 shows that, the effect of spraying in the full blooming period is significant, but the balloon period is not effective.<\/span><\/p>\n<ul>\n<li>\n<h2><span style=\"color: #000000; font-size: 14pt;\">The effect of potassium humate on the fruit setting rate of Pear<\/span><\/h2>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">1. The effect of potassium fulvic acid on the inflorescence fruit setting rate of An Pear<\/span><br \/>\n<span style=\"color: #000000;\">It can be seen from Table 4 that the results of test in Qinglong and Funing are the same.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">Comparing 500 times liquid, 1000 times liquid and clear water control, the results of the two places have reached a very significant level.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">Among them, the effect of 500 times liquid is as the best.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">2. The effect of potassium fulvate on the flowers fruit setting rate of An pear<\/span><br \/>\n<span style=\"color: #000000;\">Table 5 shows that the test results in the two places in Funing County are consistent.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">The 500-fold and 1000-fold liquids have improved the flowers fruit setting of An pear to a significant level.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">The 50-fold liquid treatment of Qingshankou reached a very significant level.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #000000;\"><strong>3. Summary<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">Spraying potassium fulvic acid fertilizer in the full bloom period can increase the fruit setting rate of apples. But the treatment response of different varieties is not very consistent.<\/span><\/p>\n<p><span style=\"color: #000000;\">The YUANSHUAI apple requires a lower concentration. The 2500 times solution is the best, while the high concentration 500 times solution has the not obvious effect.<\/span><\/p>\n<p><span style=\"color: #000000;\">AOLU apples require a higher concentration, with 1000 times solution being the best, 500 times solution second, and 2500 times solution effect has reached a significant level of difference.<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">TABLE 4<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">ITERM<\/span><\/td>\n<td width=\"227\"><span style=\"color: #000000;\">Fruit setting rate of flowers in QINGLONG county #1<\/span><\/td>\n<td width=\"219\"><span style=\"color: #000000;\">Fruit setting rate of flowers in FUNING county #1<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">500 times1000 times<\/span><\/p>\n<p><span style=\"color: #000000;\">1500 times<\/span><\/p>\n<p><span style=\"color: #000000;\">2000 times<\/span><\/p>\n<p><span style=\"color: #000000;\">Compare<\/span><\/td>\n<td width=\"227\"><span style=\"color: #000000;\">26.7%22.9%<\/span><\/p>\n<p><span style=\"color: #000000;\">16.5%<\/span><\/p>\n<p><span style=\"color: #000000;\">12.5%<\/span><\/p>\n<p><span style=\"color: #000000;\">0<\/span><\/td>\n<td width=\"219\"><span style=\"color: #000000;\">59.2%31.6%<\/span><\/p>\n<p><span style=\"color: #000000;\">26.0%<\/span><\/p>\n<p><span style=\"color: #000000;\">24.5%<\/span><\/p>\n<p><span style=\"color: #000000;\">12.7%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">TABLE 5<\/span><\/p>\n<table width=\"555\">\n<tbody>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">ITERM<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">Fruit setting rate of flowers in QINGLONG county #1<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">Fruit setting rate of flowers in FUNING county #2<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">500 times<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">8.15%<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">24.67%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">1000 times<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">7.90%<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">13.82%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">1500 times<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">5.10%<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">12.67%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">2000 times<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">6.35%<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">11.67%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"103\"><span style=\"color: #000000;\">Compare<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">4.18%<\/span><\/td>\n<td width=\"226\"><span style=\"color: #000000;\">5.63%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000;\">The effect of spraying potassium fulvic acid during the full blooming period of Anli to increase the fruit setting rate is not exactly same as that of apples.<\/span><\/p>\n<p><span style=\"color: #000000;\">Tests in different years and different regions have shown that the best effect is with 500 times solution.<\/span><\/p>\n<p><span style=\"color: #000000;\">Compared with the control, the 1000 times solution also reached a significant level, and its effect decreased as the concentration decreased.<\/span><\/p>\n<p><span style=\"color: #000000;\">On JINGUAN apples, the results of applying potassium fulvic acid in different periods showed that, the effect of spraying in the full bloom period was the best, while the balloon period was not effective.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spraying potassium fulvic acid (Other name: potassium fulvate, potassium humate) fertilizer 3000-5000 times during the full-bloom period, all improved the fruit setting rate of YUANSHUAI, LUAO,JINGUAN apples and pears to varying degrees.<\/p>\n","protected":false},"author":1,"featured_media":11382,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[337,121],"tags":[285,283,284],"class_list":["post-11626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agriculture","category-humic-acid","tag-fruit-setting-rate","tag-potassium-fulvic-acid","tag-potassium-fulvic-acid-fertilizer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v26.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Potassium fulvic acid fertilizer improve fruit setting rate &#8226; JINGFENG<\/title>\n<meta name=\"description\" content=\"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humicchina.com\/ar\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:locale:alternate\" content=\"en_US\" \/>\n<meta property=\"og:locale:alternate\" content=\"ja_JP\" \/>\n<meta property=\"og:locale:alternate\" content=\"ko_KR\" \/>\n<meta property=\"og:locale:alternate\" content=\"es_ES\" \/>\n<meta property=\"og:locale:alternate\" content=\"vi_VN\" \/>\n<meta property=\"og:locale:alternate\" content=\"th_TH\" \/>\n<meta property=\"og:locale:alternate\" content=\"tr_TR\" \/>\n<meta property=\"og:locale:alternate\" content=\"ru_RU\" \/>\n<meta property=\"og:locale:alternate\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears\" \/>\n<meta property=\"og:description\" content=\"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.humicchina.com\/ar\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\" \/>\n<meta property=\"og:site_name\" content=\"Humic Acid, Seaweed extract, Amino acid Manufacturer\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/JINGFENGHUMIC\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-02T07:33:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-26T08:51:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2500\" \/>\n\t<meta property=\"og:image:height\" content=\"1691\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"humate2019win\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@JINGFENG_HUMIC\" \/>\n<meta name=\"twitter:site\" content=\"@JINGFENG_HUMIC\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"humate2019win\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\"},\"author\":{\"name\":\"humate2019win\",\"@id\":\"https:\/\/www.humicchina.com\/#\/schema\/person\/98856a01f7b9165e1f919a3af231a6b1\"},\"headline\":\"Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears\",\"datePublished\":\"2021-04-02T07:33:28+00:00\",\"dateModified\":\"2025-06-26T08:51:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\"},\"wordCount\":901,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.humicchina.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg\",\"keywords\":[\"fruit setting rate\",\"POTASSIUM FULVIC ACID\",\"potassium fulvic acid fertilizer\"],\"articleSection\":[\"Agriculture\",\"Humic Acids\"],\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\",\"url\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\",\"name\":\"Potassium fulvic acid fertilizer improve fruit setting rate &#8226; JINGFENG\",\"isPartOf\":{\"@id\":\"https:\/\/www.humicchina.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg\",\"datePublished\":\"2021-04-02T07:33:28+00:00\",\"dateModified\":\"2025-06-26T08:51:54+00:00\",\"description\":\"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...\",\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage\",\"url\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg\",\"contentUrl\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg\",\"width\":2500,\"height\":1691},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.humicchina.com\/#website\",\"url\":\"https:\/\/www.humicchina.com\/\",\"name\":\"Humic Acid, Seaweed extract, Amino acid Manufacturer\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.humicchina.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.humicchina.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.humicchina.com\/#organization\",\"name\":\"JINGFENG HUMIC ACID\",\"url\":\"https:\/\/www.humicchina.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.humicchina.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2019\/11\/JINGFENG-512-512.png\",\"contentUrl\":\"https:\/\/www.humicchina.com\/wp-content\/uploads\/2019\/11\/JINGFENG-512-512.png\",\"width\":512,\"height\":512,\"caption\":\"JINGFENG HUMIC ACID\"},\"image\":{\"@id\":\"https:\/\/www.humicchina.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/JINGFENGHUMIC\",\"https:\/\/x.com\/JINGFENG_HUMIC\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.humicchina.com\/#\/schema\/person\/98856a01f7b9165e1f919a3af231a6b1\",\"name\":\"humate2019win\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Potassium fulvic acid fertilizer improve fruit setting rate &#8226; JINGFENG","description":"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.humicchina.com\/ar\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears","og_locale":"ar_AR","og_type":"article","og_title":"Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears","og_description":"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...","og_url":"https:\/\/www.humicchina.com\/ar\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html","og_site_name":"Humic Acid, Seaweed extract, Amino acid Manufacturer","article_publisher":"https:\/\/www.facebook.com\/JINGFENGHUMIC","article_published_time":"2021-04-02T07:33:28+00:00","article_modified_time":"2025-06-26T08:51:54+00:00","og_image":[{"width":2500,"height":1691,"url":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg","type":"image\/jpeg"}],"author":"humate2019win","twitter_card":"summary_large_image","twitter_creator":"@JINGFENG_HUMIC","twitter_site":"@JINGFENG_HUMIC","twitter_misc":{"Written by":"humate2019win","Est. reading time":"6 \u062f\u0642\u0627\u0626\u0642"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#article","isPartOf":{"@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html"},"author":{"name":"humate2019win","@id":"https:\/\/www.humicchina.com\/#\/schema\/person\/98856a01f7b9165e1f919a3af231a6b1"},"headline":"Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears","datePublished":"2021-04-02T07:33:28+00:00","dateModified":"2025-06-26T08:51:54+00:00","mainEntityOfPage":{"@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html"},"wordCount":901,"commentCount":0,"publisher":{"@id":"https:\/\/www.humicchina.com\/#organization"},"image":{"@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage"},"thumbnailUrl":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg","keywords":["fruit setting rate","POTASSIUM FULVIC ACID","potassium fulvic acid fertilizer"],"articleSection":["Agriculture","Humic Acids"],"inLanguage":"ar","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html","url":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html","name":"Potassium fulvic acid fertilizer improve fruit setting rate &#8226; JINGFENG","isPartOf":{"@id":"https:\/\/www.humicchina.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage"},"image":{"@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage"},"thumbnailUrl":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg","datePublished":"2021-04-02T07:33:28+00:00","dateModified":"2025-06-26T08:51:54+00:00","description":"Spraying potassium fulvic acid fertilizer 3000-5000 times during the full-bloom period, improved the fruit setting rate of apples and pears...","inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.humicchina.com\/blog\/study-on-the-effect-of-potassium-fulvic-acid-fertilizer-on-increasing-the-fruit-setting-rate-of-apples-and-pears.html#primaryimage","url":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg","contentUrl":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2020\/12\/drought-plant_1big_stock.jpg","width":2500,"height":1691},{"@type":"WebSite","@id":"https:\/\/www.humicchina.com\/#website","url":"https:\/\/www.humicchina.com\/","name":"Humic Acid, Seaweed extract, Amino acid Manufacturer","description":"","publisher":{"@id":"https:\/\/www.humicchina.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.humicchina.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Organization","@id":"https:\/\/www.humicchina.com\/#organization","name":"JINGFENG HUMIC ACID","url":"https:\/\/www.humicchina.com\/","logo":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.humicchina.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2019\/11\/JINGFENG-512-512.png","contentUrl":"https:\/\/www.humicchina.com\/wp-content\/uploads\/2019\/11\/JINGFENG-512-512.png","width":512,"height":512,"caption":"JINGFENG HUMIC ACID"},"image":{"@id":"https:\/\/www.humicchina.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/JINGFENGHUMIC","https:\/\/x.com\/JINGFENG_HUMIC"]},{"@type":"Person","@id":"https:\/\/www.humicchina.com\/#\/schema\/person\/98856a01f7b9165e1f919a3af231a6b1","name":"humate2019win"}]}},"_links":{"self":[{"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/posts\/11626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/comments?post=11626"}],"version-history":[{"count":0,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/posts\/11626\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/media\/11382"}],"wp:attachment":[{"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/media?parent=11626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/categories?post=11626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.humicchina.com\/ar\/wp-json\/wp\/v2\/tags?post=11626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}