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“丹玉6号”是我省目前推广面积较大的玉米高产良种,生育期130天左右,在生长季较短或高寒山区,显得晚熟,遇上低温寡照年景,有遭受早霜的危险。怎么办呢?去年我市各县区广大贫下中农,学大寨,发扬“人定胜天”的精神,搞了10多万亩丹玉6号育苗移栽的群众性科学试验,结果表明:可提早成熟10天到15天,保证了安全成熟和高产。现将调查所得的一些情况和问题介绍如下供参考。
“Dan Yu 6” is currently the province to promote a larger area of corn high-yielding varieties, the growth period of about 130 days, in the short growing season or alpine mountains, appears to be late, in the case of low temperature sunshine, suffer the risk of early frost. Last year, counties in our county poor and middle peasants, learn Dazhai, carry forward the “people prevail in the sky” spirit, engage in more than 10 acres of Dan Yu 6 seedlings transplanting mass scientific experiments, the results show that: early maturity 10 days to 15 days, to ensure the safety of mature and high yield. Now some of the investigation of the situation and problems are introduced below for reference.