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旱地小麦对自然气象因子依赖性较大,管理上较水地为被动,应注意掌握小麦生长发育规律,正确地解决群体与个体、生长与发育、分蘖与成穗的辩证关系。几年来,我们对旱地小麦的一些矛盾问题进行了探讨,提出以下看法,供参考。我社位于峨嵋高垣上,海拔500米,土厚井深,水源缺乏,人均耕地4亩左右,80%的耕地属于旱地。当地年降水量500毫米左右,但70%降水在7—8月份,春季雨少加上风多气候变化无常,冬季干旱降雨极少,秋季降雨变幅较大,往往造成蒙蒙细雨不能按时下种;或者干旱持续,表墒极差,影响出苗和全苗。这种旱涝不均的特点,就给旱地小麦栽培带来一系列
Dryland wheat is more dependent on natural meteorological factors and is passive in management than water. It is necessary to pay attention to mastering the law of growth and development of wheat and correctly solve the dialectical relationship between population and individual, growth and development, tillering and ear formation. In recent years, we have discussed some contradictions in dryland wheat and put forward the following views for reference. Our company is located in Emei Gao Yuan, 500 meters above sea level, deep soil depth, lack of water, per capita arable land of about 4 acres, 80% of the arable land is dry land. The annual precipitation is about 500 millimeters, but 70% of the precipitation is between July and August. In the spring, there is less wind and more climate variability. There is very little rainfall in winter and large rainfall in autumn, which often results in the inability to drizzle ; Or drought continued, table moisture very poor, affecting the emergence and the whole seedlings. This uneven characteristics of drought and drought, gave a series of dry land wheat cultivation