我省果园大多土壤瘠薄,土壤有机质含量低,化学肥料利用率不高,致使树势较弱,单产低。据报道,增施腐植酸复合肥,即可在有机肥料少,土壤有机质含量低的情况下,提高化学肥料利用率,达到壮树增产的目的。 1983～1984年我们用复县瓦房店化工厂生产的腐植酸复合肥进行了本项试验。结果表明,这种肥料由于工艺加工的改善,实现了加工型上的有机——无机复合化,其养分 Most of the orchards in our province have infertile soils, low soil organic matter content and low utilization of chemical fertilizers, resulting in weaker shrubs and lower yields. According to reports, the addition of humic acid compound fertilizer, organic fertilizer can be less in the case of low levels of organic matter in the soil, improve chemical fertilizer utilization, to achieve the purpose of Zhuang Shu yield. From 1983 to 1984, we conducted this experiment with humic acid compound fertilizer produced in Wuxiandian Chemical Factory. The results show that this fertilizer due to the improvement of processing, to achieve the processing of organic - inorganic composite, and its nutrients