【摘要】 本文对河横村农田生态系统试点前(1985年)和试点后(1988年)的肥料投入效益进行了系统的分析。结果表明,由于实行了生态农业,使农作物生产中的肥料用量和成本大为降低,并提高了农作物的产量,同时还改善了农田的土壤肥力状况,取得了良好的经济和生态效益,为生态农业措施的进一步完善提供了有效的途径。更多还原

【Abstract】 A comparative analysis of fertilizer benefits in farmland between before and after construction ofccoagriculturc at IIchcng Villag: was conducted in present paper. The study showed that ceo-agriculture could reduce the amount and cost of the fertilizer and that that yield of crop could be increased and the soil fertility could be improved. The measures rcarding fertilizer application in the Village also discussed更多还原