一、作物营养与施肥原理 肥料是作物的粮食,是增产的重要物质基础。施肥则是农业增产的重要手段。这些道理虽是众所周知的,但施肥有没有理论依据,它应遵循什么原则呢?一句话,怎样施肥才算是合理,是农业工作者需要了解的问题。 First, the principle of crop nutrition and fertilization Fertilizer is the food crops, is an important material basis for increasing production. Fertilization is an important means of agricultural production. Although these principles are well-known, is there any theoretical basis for fertilizing and what principles should be followed? In a word, how to fertilize can be regarded as reasonable and what agricultural workers need to understand.