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关注：1
2013-05-23 12:21
求翻译：Managed grasslands have a high demand for nitrogen (N) for plant growth. These grassland soils need a continuous supply of N inputs from various sources to meet animal feed demand and sustain productivity. Addition of N to soils not only increases plant productivity but also results in increased nitrate (NO3-) leachin是什么意思？ 待解决
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Managed grasslands have a high demand for nitrogen (N) for plant growth. These grassland soils need a continuous supply of N inputs from various sources to meet animal feed demand and sustain productivity. Addition of N to soils not only increases plant productivity but also results in increased nitrate (NO3-) leachin
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2013-05-23 12:21:38
管理草原植物生长的高需求为氮（N）的。这些草地土壤需要从各种来源的氮投入的不断供应，以满足动物饲料的需求和维持生产力。除了在土壤中不仅增加了工厂的生产力，但也会导致增加的硝酸盐（NO3 -）浸出和释放的气体ñ，如氨（NH3）和氧化亚氮（N2O）。最近急剧增加氮肥投入，集中管理和放牧的草原，重新燃起了对大气，陆地和水生环境的影响的辩论。已经有越来越多在使用氮抑制剂在减轻对环境的影响，通过淋溶和排泄物，化肥和污水氮投入气体排放的氮损失的兴趣。本章给出了一个放牧草原的N输入来源的概述，草地土壤氮，氮损失的环境影响的动态;讨论抑制剂的作用，在改善ñ生物利用度和减少
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2013-05-23 12:23:18
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2013-05-23 12:24:58
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2013-05-23 12:26:38
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2013-05-23 12:28:18
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