1、出苗水有灌溉条件的最好在播种前半月进行,但也可以播后灌。要准匀、灌透,不冲籽,不积水。灌后地表崩皮时,用耙子搂一遍,防止土壤板结影响出苗。春灌的水量一般比冬灌的要少。要根据田间干土层的情况,一般每亩灌溉20—30立方米左右为宜。 2、坐胎水指叶末期、分蘖初期灌水。中早熟品种在5月中下 1, the emergence of the best irrigation conditions in the first half of sowing, but can also sow after irrigation. To be uniform, filling, not punching, no water. After pouring land collapse, rake hug again, to prevent soil compaction affect emergence. Spring irrigation water generally less than the winter irrigation. According to the dry soil conditions in the field, the general irrigation of 20-30 cubic meters per mu is appropriate. 2, take the fetus refers to the end of the leaves, early irrigation tiller. Middle-early varieties in the middle of May