油菜施用磷肥增产效益显著油菜施用磷肥对促进油菜生长发育，增枝、增角、增粒重等均有明显效果。特别是砂土、薄土等严重缺磷地块，增产效果尤为显著。施用磷肥，对提高大面积油菜产量有着不可低估的积极作用。一、增产原因１、协调氮、磷、钾营养平衡，发挥其综合作用下... Rape phosphorus fertilizer application efficiency significantly Rape application of phosphate fertilizer to promote rape growth and development, increase branches, angle, grain weight and other significant effects. In particular, sand, thin soil and other serious lack of phosphorus plots, yield increase effect is particularly significant. Application of phosphate fertilizer, to improve the yield of large-area rape has a positive effect can not be underestimated. First, the reasons for the increase 1, to coordinate the balance of nitrogen, phosphorus and potassium nutrition, to play its combined role ...