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衡量轮作制经济效果的标准是:单位面积生产出最多而优质的农产品;农产品在质和量上能最好地符合社会需要;以最少的劳动消耗取得最大的收入;保证土壤肥力的不断提高。与上述四个标准相适应,判断轮作制经济效果的各项指标为:产量指标、符合社会需要程度指标、消耗和收入指标及土壤肥力状况指标。必须将这些指标计算出来的结果进行综合分析,才能得出正确的鉴定结论。
The standard measure of the economic effect of a rotation system is that it produces the highest and best quality agricultural products per unit area; that agricultural products can best meet the needs of society in terms of quality and quantity; obtain the maximum income with minimal labor consumption; and ensure the continuous improvement of soil fertility. According to the above four criteria, the indicators for determining the economic effect of cropping system are: yield index, index of social need, index of consumption and income and index of soil fertility. The results calculated by these indicators must be comprehensively analyzed in order to draw the correct identification conclusion.