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近年来，花生田有机质含量逐年下降，土壤理化性状劣化，成为制约花生增产的重要因素。腐殖酸专用肥具有改良土壤结构，增加土壤速效养分含量等特点。我们于１９９６～１９９８年对其在花生上的增产效果进行了试验，取得了较好的效果。１ 试验方法１．１ 花生腐殖酸专用肥配?
In recent years, peanut field organic matter content decreased year by year, the physical and chemical properties of soil degradation, become restrictive peanut yield an important factor. Humic acid fertilizer has to improve the soil structure, increase soil available nutrients and so on. In 1996 ~ 1998, we tested the peanut yield increasing effect and achieved good results. A test method 1.1 peanut humic acid with fertilizer?