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棉花“隔沟灌”在灌第一次水和第二次水时进行。因这时植株矮小,根系短浅,不需要满灌。“隔沟灌”的方法是灌一沟隔一沟。灌第一次水时可根据灌沟顺
Cotton “furrow irrigation ” when irrigation in the first and second water. Because plants are short, short root system, do not need full irrigation. “Gutter irrigation ” method is to fill a trench ditch. Irrigation ditch along the first irrigation time