165 resultados para POLÍTICA CHINA - 1971-2011

On the genetic classification of paddy soils in china

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The status of microelements in relation to crop production in paddy soils of China Ⅲ.zine

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The status of microelements in relation to crop production in paddy soils of China:II.molybdenum

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The status of microelements in relation to crop production in paddy soils of China I.boron

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On the silicon supplying capacity of some paddy soils in south china

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Heavy metals in the sediments of tidal zone of yellow sea,jiangsu province,Eastern China

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The processes and regionalization of soil salinization and alkalization in China

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Intensive agriculture in Taihu lake region, china

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Microbes in red soils in china

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Mineralogy of tropical and subtropical soils in China

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On the content and characteristies of soil organic matter in south China

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Cycling of nitrogen and phosphorus in grassland soil-vegetation system of Inner Mongolia, China

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Fertility of paddy soil and its management in China

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Improvement of salt-affected soils in China

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Effect of irrigation and drainage on the salt water dynamics in coastal saline soil arcas of China and its utilization

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