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为了培育和推广适应三熟制栽培的早熟、抗病、抗倒、高产的优良玉米品种,我县进行了玉米杂交品种示范种植。去年和前年杂交种比本地种增产2～3成,高的达4～5成。今年由市农科院作物所直接提供亲本种子,进行南繁,增产效果更明显。我们考察了杂交品种149.2亩,平均亩产863.8斤,比本地
In order to cultivate and popularize the precocious, disease-resistant, lodging-resistant and high-yielding fine maize varieties that adapt to the three-ripening cultivation, we carried out the demonstration planting of the maize hybrid varieties in our county. Hybrids of the previous year and the previous year increased 2 to 3 percent more than the local species and reached a high of 4 to 5 percent. This year by the Academy of Agricultural Sciences City Crops directly to provide the parent seed, Fanfan, increase production more pronounced. We investigated 149.2 acres of hybrid varieties, the average yield of 863.8 kg, more than the local