994 resultados para soil transmitted helminthiasis

Leaching of fertilizer ions in a red earth from repacked soil columns:I.leaching of calcium,magnesium and potassium

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Mineralogical characteristics of yellow-red soil derived from granite

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Preliminary study on the origin f "Unknown " soil nitrogen

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Release of soil nonexchangeable K by organic acids

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Soil micronutrients and citrus growth

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Stalt-water dynamics in soils IV.changes of ionic composition in soil profiles during water evaporation and infiltration

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The role of root exudates in material cycling in soil-plant system(rhizosphere)

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Utilization of sparing-soluble soil P by Al tolerant and sensitive barleys

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Ammonia olatilization from urea applied to acid paddy soil in southern china and

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Apparent mobilities of Na+,K+, and Ca+ions in variable charge soil colloid syste

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Determination of soil base-soluble se by anodic stripping voltammetry with aurum thin-film electrode

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Direct determination of potassium-sodium activity ratio in soil suspension with

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Effect of anions on adsorbability and extractability of lead added in soil

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Effect of irrigation water quality in soil bydraulic conducticity

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Effect of soil erosion on spring barley growth in east Anglia,England:preliminary results

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