近几年来,有些农民单纯依赖化肥或很少应用农家肥造成农作物产量不能持续增产。农家肥是有机质肥料,能够防止土壤板结,促进作物根系吸收养分,是个宝。据分析,新鲜人粪中含氮1％、磷0.4％、钾0.3％;新鲜人尿中含氮0.5％、磷0.1％、钾0.3％;新鲜猪粪中含氮0.6％,磷 In recent years, some farmers simply rely on fertilizers or rarely used farm manure can not continue to increase crop yields. Manure is organic fertilizer, to prevent soil compaction, promote crop roots to absorb nutrients, is a treasure. According to the analysis, the fresh human excrement contains 1% of nitrogen, 0.4% of phosphorus and 0.3% of potassium; fresh human urine contains 0.5% of nitrogen, 0.1% of phosphorus and 0.3% of potassium;