论文部分内容阅读
随着农业生产技术的提高和地球温室效应的发生,我县对农作物的种植也趋向了生育期偏长的品种,南部直播玉米主栽龙单8号,北部主栽农东248。由于早熟品种嫩3、嫩4的被替代,1991年我县玉米杂交制种已经终止。 1992年以来,由于省“丰收计划”和我县“米稻战略”的实施,玉米面积稳定60万亩以上,需种子120多万公斤,按每公斤1.70元计算,外繁资金就达200多万元。能不能自繁一些种子,尤其是龙单8号、东农248玉米杂文制种被提上了种子公司议事日程。调种好还是制种好,这个课题在公司内部分歧很
With the improvement of agricultural production technology and the global warming effect, the cultivation of crops in our county also tends to be the ones with the longer growth period. The southern direct seeding corn is mainly planted with Longdan No. 8 and the northern main planted with an agricultural land of 248. As early varieties of tender 3, tender 4 is replaced in 1991, my county corn hybrid seed production has been terminated. Since 1992, due to the implementation of the “Bumper Harvest Program” and the “Rice Strategy” in our county, the area of corn has been stabilized at more than 600,000 mu and the seed needs to be over 1.2 million kilograms, calculated at 1.70 yuan per kilo. Up to more than 200 million. Can we breed some seeds, especially Longdan 8, Dongnong 248 corn essay seed was put on the agenda of the seed company. Prepared or planted well, this issue is very different within the company