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阐述农作物所需养分在作物中的分布和在土壤中的去向。说明现代施肥技术的重要性,这将带来巨大的经济效益、社会效益和环境效益。列举平衡施肥试验、示范、推广的事例,说明其科学性。确定的养分配方和使用量,使作物增加产量,提高质量,并减少对环境的负面影响。在市场经济下,化肥企业要供应对路产品,平衡施肥是确定复混肥料配方和生产的依据。
Describe the distribution of crop nutrients and their fate in the soil. Explain the importance of modern fertilization technology, which will bring huge economic, social and environmental benefits. List examples of balanced fertilization experiments, demonstrations, and promote their scientific. Defined nutrient formulations and levels of use increase crop yields, improve quality, and reduce the negative impact on the environment. In a market economy, fertilizer companies to supply on the road products, balanced fertilization is to determine the compound fertilizer formula and production basis.