Biblioteca Digital

212 resultados para ECOLOGICAL CONCENTRATION

Relationship between the distribution of Zn in maize roots and its concentration

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Optimization of agricultural ecological patterns in upland of red soil

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Ecological enironment of denitrifiers and their enzymatic actiity in red soils

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Ecological patterns for utilization of red soils

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Yield and cadmium concentration of wetland rice grain as affected by addition...

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Ecological regionalization of the huan-huai-hai plain in china

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Ecological enironment and integrated exploitation of the red soil hilly region

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Impact of the three gorges project on ecological and environmental fields

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Biogeochemictry characteristics of redox regimes in soils and their ecological effects

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Reducing substances and their ecological effects in paddy soils

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Rice based ecological agriculture systems in Tai Lake region in China

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Some ecological patterns for utilization of red soils

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Ecological environment of denitrifiera and their enzymatic activity in red soils

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Impact of the three gorges project on ecological and environmental fields

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Some ecological patterns for utilization of red soils

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