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小麦啥时收获产量最高?我们1978年在忻州市东曲大队科研队小麦田中曾做过小麦适时收获试验。品种为农大139,方法是从小麦蜡熟初期到老熟期的10天中,每天早晨8时在麦田中取有代表性的中等穗100穗,进行考种,结果如下表。上表看出,小麦蜡熟初期收获的百穗粒重平均85.5克,千粒重平均34.5克,落粒率0.25%,子粒含水量为26—32%;蜡熟中末期收获的百穗粒重平均99克,千粒重平均37.3克,落粒率2.25%,含水量19—24%;
When is wheat harvesting the highest? We in 1978 in Xinzhou City, East Qu team brigade wheat field has done a timely harvest test of wheat. Variety of Nongda 139, the method is from the beginning of the waxy wheat mature period to 10 days, at 8:00 every morning in the wheat field representative of the middle ear 100 spike, the test species, the results in the table below. The above table shows that the early harvest of waxy wheat ears average weight of 85.5 grams, average grain weight of 34.5 grams, 0.25% drop of grain, grain moisture content of 26-32%; 99 grams, an average of 37.3 grams of grain weight, falling rate of 2.25%, 19-24% water content;