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大家知道,夺取夏熟作物高产对全年粮食增产具有重大意义,而合理用肥是夺取夏熟作物高产的一个重要环节。下面简要谈谈夏熟作物合理施肥应注意的几个问题。一、三麦、油菜高产栽培的氮素用量高产经验表明,构成三麦产量的穗数、粒数、粒重三个基本因素中,争穗数的意义最大。在三麦高产栽培中,以攻主茎穗为主
As we all know, seizing the high yield of summer crops is of great significance to the increase of grain output throughout the year. However, using fertilizers reasonably is an important link in seizing the summer high yield of summer crops. The following briefly talked about summer crops should pay attention to the reasonable fertilization of several issues. One, three wheat, rape high-yielding cultivation of high-yielding Nitrogen Experience shows that the number of spike, grain number, grain weight constitute the three wheat yield, the largest number of spike. In three high-yielding wheat cultivation, mainly to attack the main stem ear