春天,是油菜生长旺盛季节,需水量较大,所以有“若要油,二月(农历)沟水流”的农谚。据我县的气象资料,十春七旱,而且往往早春雨水不足,晚春雨水较多。因此,给油菜灌好春水,对夺取油菜高产十分重要。 Spring is the rape growing season, water demand is larger, so there is “to oil, in February (Lunar) ditch water flow” farming proverb. According to the meteorological data of the county, ten spring and seven dry, and often lack of early spring rain, rain more in late spring. Therefore, pouring spring water rapeseed is very important for rapeseed yield.