Biblioteca Digital

171 resultados para SHELL UTILIZATION

Improvement and utilization of salt affected soil in Huang-Huaihai Pain

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Salt affected soils and their improvement and utilization in the Huang-Huai-Haip

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Rational soil utilization and soil degradation control in tropical china

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Utilization of tropical soils in china

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Soil geography and utilization in castern Asia

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Some ecological patterns for utilization of red soils

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Characteristics and utilization of arid soil resources in China

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Improvement and utilization of salt affected soil in Huang-Huaihai Pain

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Salt affected soils and their improvement and utilization in the Huang-Huai-Haip

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Rational soil utilization and soil degradation control in tropical china

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Utilization of tropical soils in china

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Soil geography and utilization in castern Asia

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Some ecological patterns for utilization of red soils

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Characteristics and utilization of arid soil resources in China

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Effect of rice planting on improvement and utilization of saline soils in Tarim basin

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