农作物杂交种子的生产也同其它农业生产一样,在很大程度上受着自然条件的制约,加之人为计划的盲目性,导致种子生产上的欠与丰和种子供应上的缺与余,无论是缺还是余,都直接制约着农业生产,不但农民利益受到影响,而且对从事种子生产和经营的种子部门也极为不利。目前,各类杂交种子生产成本高,种子用价昂贵,特别是从事种子生 The production of crop hybrid seeds, like other agricultural practices, is largely governed by natural conditions combined with the blindness of man-made programs that lead to deficiencies in abundance and seed supply in seed production, be they Lack of or surplus, are a direct constraint on agricultural production, not only affected the interests of farmers, but also engaged in the seed production and management of the seed sector is also extremely unfavorable. At present, all kinds of hybrid seed production cost is high, expensive seeds, especially in the seed