Study On The Effect Of Potassium Fulvic Acid Fertilizer On Increasing The Fruit Setting Rate Of Apples And Pears

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. The effect diminishes as the concentration decreases.Read More