Biblioteca Digital

986 resultados para ammonium nitrogen

Nitrification and nitrogen loss in different soils

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Characteristies of the fate and efficiency of nitrogen in suppergranules of urea

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Control of gaseous nitrogen losses from urea applied to flooded rice soils

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Nitrogon loss from ammonium bicarbonate and urea fertilizers applied to flooded

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Processes of nitrogen loss from fertilizers applied to flooded rice fields on...

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Evaluation of methods for control of ammonia volatilization from surface-applied nitrogen fertilizers to sugarcane trash in North Queensland

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Nitrogen forms in synthetic humic acid using nitrogen-15 nuclear resonance technique

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Preliminary study on the origin f "Unknown " soil nitrogen

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A method for determing available fixed ammonium in soils

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Direct estimation of nitrogen gases emitted from flooded during denitrification

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Effcient management of nitrogen fertilizers for flooded rice to nitrogen transfo

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Fate of fertilizer nitrogen applicd to crops grown on fluvo-aquic soil in huang-

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Fate of N from green manures and ammonium sulfate

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Gaseous loss of nitrogen from fertilizers applied to a paddy soil in southeaster

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Losses of urea-nitrogen applied to maize grown on a calcareous fluvo-aquic soil

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