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水稻插秧前用速效性化肥(氮肥、磷肥)作基肥,对促进插后秧苗迅速返青,早生快发,争取农时,提早成熟,实现高产稳产有良好的效果,是水稻高产栽培重要措施之一。插前用氮肥作基肥,有铺肥、再翻前深层施肥、全层施肥等方法。几年来大面积多点试验和生产示范结果表明,全层施肥是一种较好的经济高效施肥方法。一、全层施肥的优点1、肥效期长,肥劲稳,利用率高据测定,硫酸铵作表面追肥由于氮肥
Rice with quick-acting fertilizer (nitrogen fertilizer, phosphate fertilizer) as a base fertilizer before rice inserted to promote the rapid re-green after planting seedlings, early fast hair, agriculture, early maturity, to achieve high yield and good yield, is one of the important measures of high yielding cultivation of rice. Before using nitrogen as a base fertilizer inserted, there are shops, and then turn the top of the deep fertilization, full-thickness fertilization and other methods. Over the past few years large-scale multi-point test and production demonstration results show that full-layer fertilization is a better economical and efficient method of fertilization. First, the advantages of full-thickness fertilization 1, long-term fertilizer, fertilizer stable, high utilization According to the determination of ammonium sulfate as the top dressing due to nitrogen