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Effects Of Humic Acid Compound Fertilizer On Apple Growth And Soil Fertility
Aug 03, 2017

Contrasting with ordinary fertilizers, we studied the effect of adding different amounts of activated humic acid compound fertilizer on apple yield, quality and soil fertility by apple field test. The results show that apple yield will increased by 12.33% after using activated humic acid compared to common compound fertilizer. The effect of activated humic acid compound fertilizer is obvious. 

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The application of humic acid compound fertilizer could increase the content of available phosphorus and available potassium in soil, but the effect on nitrogen was not significant. Humic acid compound fertilizer can increase soil urease activity and the content of organic matter, promote the transformation of soil nitrogen.