single fertilizer

Nitrogen fertilizer to achieve a single change in fertilizer products achieve serialization.

实现单一氮肥向复合肥的转变,实现化肥产品系列化.

Cooperation of bio-fertilizer and abio-fertilizer have the better effect compared with single abio-fertilizer.

与单施无机肥和有机肥相比,有机无机配施的培肥效果较好.

Wetting front characteristics under film single hole point source infiltration of fertilizer solution

膜孔单点源肥液入渗湿润体特性试验研究

Based on single quadratic equation of nitrogen, phosphorus and potassium under suitable fertilization rate, the optimum amount of N fertilizer among years had significantly increasing trend, the one for P fertilizer increased and K fertilizer with a slightly increase.

据适宜施肥条件下水稻氮、磷、钾单因素一元二次肥效方程分析，氮肥最佳施用量呈逐年显著增加趋势，钾肥最佳施用量有所上升，磷肥最佳施用量缓慢增加。