“水稻基穗型经济施肥法”是黑龙江省农科院水稻研究所和桦川县政府共同主持完成的,近期通过专家鉴定。该法是将氮肥总量的70%做底肥全层施入,30%做穗肥于抽穗前 The “rice-based spike economic fertilization method” is the Heilongjiang Academy of Agricultural Sciences Rice Institute and Huachuan County government co-chaired the completion of the recent expert assessment. The law is to make 70% of the total amount of nitrogen fertilizer applied to the whole floor, 30% of the panicle before heading