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1.适时浇水如春季少雨则对油菜生长不利。对蕾薹期出现旱象的田块,应及时浇水润土,但忌大水漫灌,早春浇水在日平均气温稳定在5℃时开始。
1. timely watering, such as spring rape growth adversely. Bud patchwork appear on the plots, should be timely watering soil, but avoid flood irrigation, early spring watering in the average daily temperature at 5 ℃ stable start.