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Farmland ecosystem

网络农田生态系统

Farmland ecosystem

Farmland ecosystem

Farmland ecosystem

农田生态系统

多语种... ... 391. 土壤生态系统 Soil ecosystem 392. 农田生态系统 Farmland ecosystem 393. 草原生态系统 Grassland ecosyste…

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Whether the regional farmland ecosystem with high yield is sustainable or not is a key issue concerned food security .

区域粮食高产农田生态系统是否可持续成为关系中国粮食安全的热点问题。

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Straw Returning field technology could provide nutrients , improve soil and better farmland ecosystem .

秸秆还田可以提供植物养分，改良土壤，改善农田生态。

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Atmospheric wet deposition plays an important role in origin of nutrition, nor can its function be neglected in farmland ecosystem .

大气湿沉降作为农田生态系统养分的重要来源却一直没有得到足够的重视。

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Carbon and nitrogen cycling characteristics of dry farmland ecosystem on Loess Plateau .

黄土高原旱塬农田生态系统碳氮循环特征。

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Studies on the Energy and Material Use Efficiency of Cultivated Grassland and Farmland Ecosystem in the Hilly Regions of Southern China

南方丘陵地区人工草地和旱作农田能量物质利用率

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Sulfur Content in Rainfall and its Effects on the Farmland Ecosystem in Hubei Province

湖北降水中的硫及其对农田生态的影响

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Soil organic carbon pool and its affecting factors in farmland ecosystem

农田生态系统土壤有机碳库及其影响因子

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Ecological Effects of Weeds on Soil Water and Soil Nutrient in Farmland Ecosystem

农田生态系统杂草的养分和水分效应研究

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Water Cycle Characteristics of Farmland Ecosystem in Subtropics Hilly Area in Eastern China

中国亚热带东部丘陵区农田生态系统水循环特征

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Cycling and balance of zinc in farmland ecosystem of the Jiang-Han Plain in Hubei Province

湖北江汉平原农田生态系统锌素的平衡分析

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The dynamics of nitrate nitrogen leaching through soil in high-yield farmland ecosystem

桓台县高产农田土壤硝态氮淋失动态研究

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Output-input analysis of Nutrients in the Farmland Ecosystem with Immature Soil as Plough Layer

淮北滨海地区生土农田养分产投分析

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Cycling and balance of copper in farmland ecosystem of Jianghan plain in Hubei Province

湖北江汉平原农田生态系统铜的循环与平衡

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Discussion on indicator system of farmland ecosystem health assessment

农田生态系统健康评价指标体系的探讨

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