Low carbon agriculture is a historical necessity. However, it should conform to the reasonable principles and avoid extremalization. Chinese agriculture with a big population and shortage of cultivated land needs to implement the intensive sustainable farming systems that combined high yield with environmental protection. What is called " agriculture low - carbonization" should not be recommended blindly. Based on the author's practice and on - the - spot investigation both in domestic and foreign countries, the relationship between low carbon expenditure and four main agricultural activities, i. e. , farming systems, fertilization, tillage, and forestation, were analyzed and discussed.%农业提倡低碳是历史的必然.提倡低碳必须符合适度、合情、合理的原则,避免极端化.中国农业的特点是人多地少,必须实行高产高效与资源环境兼顾的集约持续农作制,不可盲目地推行所谓“农业低碳化”.该文根据作者多年的实践研究以及国内外考察,围绕着如何适度合情合理提倡低碳的问题,对涉及碳流的4个主要领域,即农作制、施肥、耕作和造林,进行具体的分析与讨论.
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