我国农业的发展,一靠政策,二靠科学。靠政策调动积极性很重要,但有个限度,到一定时期也就“饱和”了。但科学技术的发展是无穷无尽的。一个种子,一个肥料,还有多种经营,潜力是很大的。种子搞好了,在同等条件下,有显著的增产效果。种子在农业生产中的重要地位,这是尽人皆知的。但是,种子在生产中发挥增产作用,人们常常只理解为培育出高产的品种,而忽略了繁殖、防杂保纯、清理分级、干燥、贮藏等一系列工作的重要地位。没 The development of agriculture in our country depends on policies and science. It is very important to mobilize the enthusiasm by policy, but there is a limit to “saturation” by a certain period. However, the development of science and technology is endless. A seed, a fertilizer, there are a variety of business, the potential is great. Doing a good job in the seed, under the same conditions, a significant increase in yield. It is well known that seeds play an important role in agricultural production. However, seeds play an increasing role in production. People often only understand cultivating high-yielding varieties while neglecting the importance of a series of work such as breeding, preventing impurities, clearing and grading, drying and storing. No