国内外对腐植酸类肥料的增产效果已有大量报导。实践证明,它具有良好的增产效果及改良土壤等作用。其品种较多,在国内已有几种定型产品。对果树、蔬菜及各种农作物都有不同的增产效果。 我们从1977年起对腐植酸镁氮磷复合肥(以下简称腐镁复合肥),在多点,多种作物上 At home and abroad on the yield of humic acid fertilizer has been extensively reported. Practice has proved that it has a good yield and soil improvement role. Its variety is more, there are several stereotypes in the country. Fruit trees, vegetables and various crops have different effects of increasing yield. We started from 1977 on the humic acid nitrogen and phosphorus fertilizer (hereinafter referred to as rot-magnesium compound fertilizer), in the multi-point, a variety of crops