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锦州地区从1975年开始在棉区推广了深刨经验,面积达12万亩,对促早熟、夺高产有明显效果。1976年为了战胜低温寡照等自然灾害,70万亩棉田全部进行了深刨。 1.棉花深刨方法与时间第一次在定苗时,用三齿子距苗1.5寸远,顺垄帮逐垄沟刨2寸深。第二次在现蕾前,用镐隔垄深刨3寸。第三次在刚现蕾时刨,方法、深度和第二次一样。
Since 1975, Jinzhou District has promoted the deep shaving experience in the cotton area, covering an area of 120,000 mu. It has obvious effects on promoting premature aging and high yielding. In 1976 in order to overcome the natural disasters, such as low temperature, and so on, 700000 acres of cotton fields were all deep shaver. 1. Cotton deep-planing method and time The first time in the Dingmiao, with three sub-1.5-inch seedlings away from seedlings, along the ridge to help dig a row ditch 2-inch deep. The second time in the bud before, with a peng furong plane shaver 3 inches. The third time in the bud squalling, method, depth and the same as the second.