控释肥料是根据作物种类、生长期和土壤供肥情况,选择适宜的专用肥料,做到一季作物只施一次肥。控释肥通过不同包膜,连续缓慢释放养分,释放速度与作物需肥规律相吻合,达到养分供应均衡而充足,全生育期有效,从而减少施肥用工投入,降低肥料使用量,节约成本,增加经济效益。 Controlled release fertilizer is based on crop type, growth period and soil supply of fertilizer, select the appropriate special fertilizer, so that only once a quarter of crop fertilizer. Controlled release fertilizer through different envelopes, continuous and slow release of nutrients, the release rate consistent with the law of crop fertilizer required to achieve a balanced and adequate supply of nutrients, the whole growth period effective, thereby reducing fertilization labor inputs, reduce fertilizer use, cost savings, increase Economic benefits.