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深耕、增施有机肥料培养地力,是夺取小麦高产稳产的基础。在肥沃地上适期精量播种,在保证个体良好发展的前提下,协调群体的发展,提高分蘖成穗率,是夺取高产的关键。适期播种的农大139品种,每亩10万苗左右,越冬前总茎数每亩70万左右,越冬后最高总茎数控制在每亩120万以内,每亩55—60万穗,每穗26粒以上,千粒重36克以上,即可获得每亩千斤左右的产量。在北京地区冬性品种,关键是控制好春季分蘖才能达到合理群体。肥足墒好的地块,灌浆水适当提早到成熟前20天左右,以水控肥(氮肥),有利于调整碳氮代谢,提高千粒重,夺取高产。
Deep plowing and increasing organic fertilizers to cultivate fertility are the basis for obtaining high and stable yield of wheat. On the premise of ensuring the good development of individuals, coordinating the development of groups and increasing the rate of tillering to panicles is the key to high yield. Suitable sowing of Nongda 139 varieties, about 100000 mu per mu, the total number of stems before winter, 700000 per mu, the highest total stems after winter control of 1.2 million mu per mu, per acre 55-60 million spike, per panicle More than 26 grains, grain weight 36 grams or more, you can get about acres of output per acre. Winter varieties in Beijing, the key is to control the spring tiller to reach a reasonable group. Fertilizers good soil good plots, grouting water appropriate to early 20 days before maturity to water control fertilizer (nitrogen fertilizer), is conducive to adjusting the carbon and nitrogen metabolism, improve 1000-grain weight, to obtain high yield.