救荒野豌豆在生长中期施用一次过磷酸钙比施用尿素亩产草量增加770多公斤,提高32.19%。救荒野豌豆属豆科牧草,无根瘤,需N、P、K、Ca等矿物元素,人类尿主要含N、K缺Ca、P;施过磷酸钙后,满足豆科植物对Ca、P的需要,促进植物生长。但是,在施过磷酸钙的过程中不能只求快,切勿将过 Rescue wilderness peas in the growth of the middle application of a superphosphate than the application of urea per acre grass increased more than 770 kilos, an increase of 32.19%. Rescue wild pea Leguminous pasture, no nodules, need N, P, K, Ca and other mineral elements, human urine mainly contains N, K lack of Ca, P; after applying calcium phosphate to meet the leguminous plants Ca, P Need to promote plant growth. However, in the process of applying calcium phosphate can not only seek fast, never over