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油菜从抽苔到初花,一般约30—40天,在这一阶段内,生长发育大大加快,若施肥适当,能使营养生长和生殖生长协调进行,获得增产。过去一些单位的试验研究和高产经验指出:重施苔肥是油菜高产的重要措施,但对重施苔肥的时间看法各异。有的认为应在苔高3—5寸时施用,有的则认为在苔高1尺多时施用最好。近来有的地方又提出,油菜高产再高产不应重施苔肥,而应重施花肥。下面根据我们初步研究,谈谈对油菜苔、花肥的看法。
Rape from bolting to early flowering, usually about 30-40 days, during this stage, greatly accelerated growth and development, if properly fertilized, enabling the coordinated growth of vegetative and reproductive growth, access to yield. Some units in the past experimental studies and high yielding experience pointed out that: re-moss fertilization is an important measure of rapeseed yield, but on the time to re-apply moss different views. Some think it should be applied in the moss 3-5 inches, while others think the moss more than 1 foot when the best application. Some places have recently proposed that rapeseed yield should not be re-applied moss, but should re-fertilization. The following based on our preliminary study, talk about the rape moss, flower fertilizer view.