论文部分内容阅读
近年来,宁夏回族自治区试种杂交水稻,已获得了成功并创了高产。杂交稻具有很强的杂种增产优势。宁夏回族自治区从七十年代后期开始,研究试验这项重要增产技术。一九八二年在引黄灌区进行多点试种,灌区各县及部分国营农场的十四个试验点共种杂交稻(组合为秋岭A×C57)五十二点五亩,当年平均亩产一千三百八十八斤,最高达一千六百四十
In recent years, Ningxia Hui Autonomous Region try hybrid rice cultivation, has been successful and hit a high yield. Hybrid rice has strong hybrid yield advantage. Ningxia Hui Autonomous Region from the late seventies began to study and test this important stimulation technology. In 1982, a total of 52.5 mu of hybrid rice (QiuLing A × C57) was planted in 14 pilot counties in counties and some state-owned farms in the Yellow River Diversion Region. The average One thousand three hundred eighty-eight pounds per mu, up to one thousand six hundred and forty