nitrogen and phosphorus fertilizer的意思|示意
美 / /
英 / /
氮磷肥
nitrogen and phosphorus fertilizer的网络常见释义
氮磷肥 覆膜及氮磷施用量对春玉米主要品质的调控 关键词 ：春玉米；氮磷肥；地膜覆盖；品质 [gap=1227]Key words: spring maize; nitrogen and phosphorus fertilizer; plastic film mulch; quality