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一、前言种是农业生产的前提,有了优良品种,即使在不增加劳动力、肥料的情况下,亦能获得较好的收成。因此,选育并推广优良的农作物品种,是直接提高农作物单产、增加农田经济效益的最有效途径。而选育推广优良品种的基础是品种资源。我国自古以农立国,农作物品种资源十分丰富,这是农作物选种、育种与用种的宝贵资源,是我国农业生产的重要财富,应该充分地发掘与利用它。
First, the preface species is the premise of agricultural production, with good varieties, even in the case of no increase in labor, fertilizer, also get a better harvest. Therefore, selecting and promoting fine varieties of crops is the most effective way to directly increase the yield of crops and increase the economic benefits of farmland. The selection and promotion of fine varieties is based on variety resources. Since ancient times, our country has established itself as a country for farming and has rich resources for crop varieties. This is a precious resource for crop selection, breeding and use. It is an important wealth for agricultural production in our country. It should be fully exploited and utilized.