“地乐丹”腐殖酸有机复混肥，是一项集有机肥与化肥为一体的高科技产品。它不仅能有效地促进农作物的生长，而且能改良土壤结构。为了使这新型肥料能在面上尽快推广，１９９８年我们在小麦上进行了试验。１基本情况试验共设两个处理，即每６６７ｍ２用地乐丹肥５０ｋｇ与... “Music Le Dan” humic acid organic compound fertilizer, is a set of organic fertilizer and fertilizer as one of the high-tech products. It can not only effectively promote the growth of crops, but also improve the soil structure. In 1998, we experimented on wheat to make this new type of fertilizer available as soon as possible. A basic situation of the test a total of two processing, that is, each 667m2 Land Dan fat 50kg and ...