当前油菜生产中施肥量不足或施用不当,是影响油菜单产大面积提高的因素之一,大部分油菜产区经常表现出营养元素缺乏症(又称缺素症)。油菜是需肥量大、耐肥力强的作物,并且对磷、硼肥反应敏感。在施肥过程中,应根据油菜各个生育阶段对肥料的要求,科学施用。 1.施足底肥 油菜底肥以迟效有机肥为主,实行有机肥与无机肥配合施。以满足油菜均衡用肥的需要,使油菜生长稳健,既不早衰又有后劲,并有利于改良土 At present, insufficient or inappropriate application of fertilizers in rapeseed production is one of the factors that affect the large-scale improvement of single yield of rapeseed. Most of the rapeseed producing areas often show deficiency of nutrient element (also called deficiency element disease). Rape requires large amount of fertilizer, strong resistance to fertility crops, and phosphorus, boron sensitive reaction. In the fertilization process, should be based on the requirements of fertilizers at various stages of rape, scientific application. 1. Shi enough solanum base fertilizer to delaying organic fertilizer-based, the implementation of organic fertilizer and inorganic fertilizer with Shi. To meet the needs of balanced rapeseed fertilizer, rape robust growth, neither premature failure have stamina, and is conducive to improving the soil