近年来,我们浙江瑞安地区的油菜在冬季出现早薹早花现象比较突出,其原因主要有两条:一是部分农民采用半冬性的早熟油菜品种,而且播种偏早,又遇暖冬,油菜苗花芽分化加速,导致早薹早花;二是由于冬旱,土壤干燥,田间管理跟不上,追肥不及时,使油菜苗提前进入生殖生长,也造成早薹早花。 油菜出现早薹早花,消耗了养 In recent years, we rape in Zhejiang Province in Zhejiang Province appeared early phenomenon of early flowering more prominent phenomenon, mainly for two reasons: First, some farmers use semi-early winter precocious rape varieties, and sowing too early, in case of warm winter, rape Second, due to the winter drought, the soil is dry and the field management can not keep up. The top dressing is not timely, so that the rape seedlings enter the reproductive growth ahead of time, and the early flowering of the early sedge is also caused. Early flowering rape appeared early flowering, consumption of raising