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1 选用良种。以“双低”优质杂交油菜华杂4号、华杂3号为主导品种。播前1~2天每天晒种3~4小时,然后进行风选或筛选,以提高出苗率。推广应用包衣种。 2 精整苗床。采用早茬旱地作苗床。用水田作苗床时,要在水稻收获前,适时断水晒田,开沟滤水。苗床施足底肥,每667m~2施优质农家肥2000kg以上,加油菜专用肥50kg。苗床与移栽大田面积比例以1:5为宜,以
1 selection of seeds. The “double low” high quality hybrid rape Huacha 4, Huazha 3 as the dominant species. 1 to 2 days before sowing sun 3 to 4 hours a day, then wind selection or screening to increase the emergence rate. Promote the use of coating species. 2 finishing seedbed. The use of early dry land for seedbed. When using paddy field for seedbed, it is necessary to dry the paddy field and open ditch water before harvested rice. Seedbed Shi enough base fertilizer, every 667m ~ 2 high-quality farmhouse fertilizer more than 2000kg, add fertilizer special fertilizer 50kg. Seedbed and transplanting field area ratio of 1: 5 is appropriate