【摘要】 2004—2015年,我国粮食获得连续12年增产。这可归因于社会、体制、科学和技术等多方面因素。从专业观点认为,农业生产的基础是生物链循环;植物生产为生物链提供所有的有机物并促进这一循环。肥料是植物的"粮食",化肥是我国现代农业的施肥主体,在我国粮食"连续十二增"中发挥了无可替代的重要作用。还讨论了人们长期关注或存在误解的若干化肥问题,如我国是否使用化肥过多,土壤肥力是否因使用化肥而下降等。更多还原

【Abstract】 During 2004 to 2015, the grain yield has continuously increased for 12 years in China. There are many contributing factors from the social, the institutional, science and technology etc. From a professional viewpoint, the basis of the agriculture production is the bio- chain cycle; In this cycle, plants provide all organic matter and promote the cycle; Fertilizer is plant "food", chemical fertilizer is the principal part of fertilization for modern agriculture in China, thus it plays a very important and irreplaceable role for the continuous increasing of grain in the past 12 years. Some issues on chemical fertilizer which are carred about or misunderstanded by some people for long term such as whether or not the chemical fertilizer overused in China,if the soil fertility is getting decreased and so on are discussed.更多还原