有机氮肥 [肥料] organic nitrogenous fertilizer
天然有机氮肥 Rough ammoniates Organic ammoniates
合成有机氮肥 [肥料] synthetic organic nitrogenous fertilizer
氮磷有机肥料 [肥料] NP organic fertilizer
氮钾有机肥料 [肥料] nk organic fertilizer
氮磷钾有机肥料 [肥料] npk organic fertilizer
有机缓释氮肥 organic slow release nitrogen fertilizer
结晶有机氮肥 Crystal organic fertilizer-N
含氮有机肥料 n-containing organic fertilizers
今年春天，一份联邦科学建议报告有可能建议提高氮肥使用率提高25%的国家目标。赫兹和盖洛韦说。
This spring, a federal science advisory report is expected to recommend a national goal of improving the efficiency of farm nitrogen fertilizer use by 25 percent, Herz and Galloway say.
能源约占氮肥生产成本的四分之三，因而对美国许多农民来说，天然气之类产品较为便宜的价格使美国Terra公司成了一个有吸引力的商品。
Energy accounts for about three-quarters of the cost of producing nitrogen fertilisers, so cheaper gas and proximity to America's many farmers make Terra an attractive buy.
肥料种类以氮肥为主，每次每亩可施有稀薄的人粪尿液1500 ~ 2000公斤，加入尿素5 ~ 10公斤。
Types of fertilizer with nitrogen fertilizer, per mu can be with human excrement urine thin 1500 ~ 2000 kg, 5 ~ 10 kg urea.
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