必须对农业中的生态效 益进行计量 农业生产,作为自然再生产和经济再生产的统一体,与其它任何生产活动有一个本质的区别,就是农业生产活动在生产人类的生存资料的过程中,能够产出两种效果或功能,即“劳动的最近的、最直接的有益效果”和“只是在以后才显现出来的,由于逐渐的重复和积累才发生作用的进一步结果”。(《马克思恩格斯全集》第20卷第 Agricultural production must be measured for the ecological benefits of agriculture. As an integral part of natural reproduction and economic reproduction, there is an essential difference from any other productive activity in that agricultural production activities can produce, in the process of producing human subsistence data, Two kinds of effects or functions, namely, “the recent and most direct benefits of labor” and “further results that only come into play later that have an effect as a result of gradual repetition and accumulation.” (“Complete Works of Marx and Engels,” Volume 20 of the first