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水稻高产因素是多方面的，其中气象条件起着重要作用。作者分析１９９８ 年云南省弥渡县两系粳型杂交稻“７０ 优４ 号”高产栽培气象条件，提出了因地制宜、合理密植的具体标准，总结了栽培管理上的一些措施，供有关地区种植推广该品种参考。
The high yield factors of rice are many, of which meteorological conditions play an important role. The authors analyzed the meteorological conditions for high-yield cultivation of two-line japonica hybrid rice “70 You 4” in Midu County, Yunnan Province in 1998, and put forward specific criteria for local conditions and close planting. Some measures on cultivation management were summed up for the promotion of planting The variety reference.