1000 resultados para Soil drill

Decomposition of plant materials in relation to their chemical composition in paddy soil

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Influence of transformation of iron oxides on soil structure

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On the genesis,characteristics and utilization of the acid sulphate paddy soil in Chian

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Study on soil PH and plant growth in relation to liming

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The application of cluster analysis to the material classification of paddy soil in Taihu lake area

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The fate of nitrogen fertilizer in paddy soil

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Uptake of nitrogen by rice plant from straw manure,urea and soil

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Chloral pollution on soil and plant

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Determination of the activity ratio of nitrate to chloride with ion-selective electrodes in soil suspension

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The processes and regionalization of soil salinization and alkalization 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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Effects of fencing on soil-vegetation systems and the use of grasslands by herbivorous animals

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Effects of grazing on soil-vegetation system and the use of grassland by herbivorous animals

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Fertility of paddy soil and its management in China

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