Biblioteca Digital

258 resultados para Kotzebue Sound region

Geochenistry of water-soluble fluorine in Aridisols with different landscape and relation to endemic diseases in the Tianshan Mountains region

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Hydrological conditions and wheats growth in shallow water table region of north

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A comparative study on methods of tillage of paddy soils in Taihu lake region

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Effects of soil erosion on soil and land degradation in red soil region of china

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Soil erosion and its control in red soil region of china

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Geochenistry of water-soluble fluorine in Aridisols with different landscape and relation to endemic diseases in the Tianshan Mountains region

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Clay minerals of paddy soils in Taihu Lake region

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Differentiation of iron oxide in paddy soils in Taihu Lake region

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Drainage of paddy soils in Taihu Lake region

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Geochemical characteristics of some transitional and rare earth elements in paddy soils of red earth region,Guangdong province

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On the classification of basic categories of paddy soils in taihu lake region

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Preliminary studies on primary minerals of some paddy soils in Taihu lake region

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Some physical properties of paddy profiles in Taihu lake region

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Intensive agriculture in Taihu lake region, china

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Nitrification,denitrification and mechanisms of N loss in paddy soils Taihu region of China

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