【摘要】 在分析几种农田种植模式经济效益和生态效率的基础上 ,建立了稻田生态系统的投入产出模型 ,利用模型确定了各种种植模式的经济投入最佳区间 ,并提出了费用和辅助能投入的调控优化意见。最后对各种种植模式的经济效益和生态效率进行了评价。更多还原

【Abstract】 Based on the analysis of the economic benefit and ecological efficiency in planting typies of the paddy field ecosystem the input-output model is built. Using the above mentioned model the optimum range of the economic input and the optimum control of the expenses and supplement energy input are suggested for planting typies. In addition, the economic benefit and ecological efficiency for planting typies are commented.更多还原