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农业生产方式需反思据《法制日报》5月27日报道,记者近日获悉,自上世纪70年代末以来,短短几十年,我国耕地肥力出现了明显下降,全国土壤有机质平均不到1%。而与此同时,我国化肥用量及其增长速度也令人吃惊。据长期致力于退化生态系统与退化农田修复的蒋高明介绍,国际公认的化肥施用安全上限是225千克/公顷,但目前我国农用化肥单位面积平均施用量达到434.3
According to “Legal Daily” reported on May 27, the reporter has learned recently that since the late 1970s, in just a few decades, the fertility of cultivated land in China has seen a marked decline. The average amount of soil organic matter in the country is less than 1% . At the same time, China’s chemical fertilizer consumption and its growth rate is also surprising. According to Jiang Gaoming, a long time devoted to the degradation of degraded ecosystems and to the rehabilitation of degraded farmland, the internationally accepted upper limit of safe fertilizer application is 225 kg / ha. However, at present, the average applied unit area of agricultural fertilizers in China reaches 434.3