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莎车县去冬今春出现了历史上少有的冬麦死苗现象。为了摸清死苗情况及原因,我们对城关、一、三、四、七等公社的部分麦田进行了调查。现将调查结果,结合越冬气象条件,综合分析如下。 一、冬麦越冬保苗情况 去冬今春,我县一般麦田保苗情况良好,但部分地块死苗严重,其特点是: 1.播得太浅的死亡重。有的麦田播得太浅,使小麦分蘖节深度只有1厘米左右,甚至裸露地面,死苗率达10—20％,耐寒力弱的品种达50—60％。
Shache County Winter last spring there have been rare phenomenon of winter wheat dead seedlings. In order to find out the situation and the reason of the dead seedlings, we conducted a survey on some of the wheat fields in the communes of Chengguan, I, III, IV and VII. Now the survey results, combined with overwintering meteorological conditions, a comprehensive analysis is as follows. First, the winter wheat winter seedlings to winter and spring, my county general wheat seedlings in good condition, but some of the dead seedlings serious block, which is characterized by: 1. Sow too light weight of death. Some wheat sowing is too shallow, so that the depth of wheat tillering knot is only about 1 cm, or bare ground, dead seedling rate of 10-20%, cold hardy varieties up to 50-60%.