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施肥是农业生产上一项重要的技术措施。合理施肥,既能高产稳产,又能发挥最大的经济效益,达到增产增收的目的,反之,用肥不当,轻则产量不能提高,重则伤害作物,造成不应有的损失。因之,对这个问题的深刻认识和解决,除了掌握各种必要元素的作用外,进一步讨论合理施肥的生理原则,是十分必要的。
Fertilization is an important technical measure in agricultural production. Reasonable fertilization, both high and stable yield, but also maximize the economic benefits, to achieve the purpose of increasing production and income, on the contrary, improper use of fertilizer, ranging from the yield can not be increased, while the crop injury, resulting in undue losses. Therefore, it is necessary to further understand the physiological principles of rational fertilization in addition to mastering the role of various essential elements in understanding and resolving this issue.