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粤优 938不同播期产量差异达到极显著水平 ,最高产量是 5月 2 0日播种的 ,产量达到 982 5kg/hm2 。 5月 30日播种的 ,今年抽穗有困难。播期早 ,生育期长 ,个体分蘖强 ,有效穗数多 ,结实率高
The yield difference of different sowing dates of Yueyou 938 reached extremely significant level, the highest yield was sown on May 20, and the yield reached 982 5kg / hm2. Sowed on May 30, heading this year is difficult. Sowing early, long growth period, individual tillering, effective spike number, high seed setting rate