水稻抛秧栽培,在大田有前期早发、后期易倒状等特点。在田间管理上,既要争早发,又要控制无效分蘖;既要保足穗,又要争大穗。 1.合理施肥 抛秧栽培的大田施肥原则是;增施有机肥和钾肥,稳施磷肥,控施氮肥,充分利用分蘖强的优势,扬长避短,形成理想的群体结构和穗粒结构,争取稳产高产。具 Rice throwing transplanting cultivation, early in the field have early premature, easy to fall like the other characteristics. In field management, it is necessary to strive for early onset, but also to control ineffective tillers; it is necessary to protect the spike, but also to fight big spike. 1. Reasonable fertilization Throwing transplanting cultivation field fertilization principle is; increase the application of organic fertilizer and potassium fertilizer, stabilize the phosphate fertilizer, control of nitrogen fertilizer, make full use of the advantages of tillering strong, avoid weaknesses, the formation of the ideal population structure and grain structure, strive for stable and high yield . With