slow action fertilizer  缓效肥料

compound nitrogen slow release agent  复合氮素缓释剂

slow action  慢作用; 慢动

slow action potential  慢动作电位; 慢反应动作电位

Slow release nitrogen fertilizer  缓释氮肥

slow-action  缓启动

slow-release nitrogen fertilizer  缓释氮肥

spontaneous slow action potential  自发慢电位

Technology of fertilizer slow and control release  肥料缓施与控释技术

water-absorbent slow release nitrogen fertilizer  保水缓释氮肥

Nitrogen action  氮行为

quick action fertilizer  速效性肥料

~(15)N labelled nitrogen fertilizer  ~(15)N标记氮肥

15N labelled nitrogen fertilizer  15N标记氮肥

aftereffect of nitrogen fertilizer  氮肥后效

amide nitrogen fertilizer  酰胺氮肥料

ammoniacal nitrogen fertilizer  氨态氮肥

ammonium nitrogen fertilizer  铵态氮肥

Amount of nitrogen fertilizer  氮肥用量