991 resultados para nitrogen doses

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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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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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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Mineralization and transformation of nitrogen derived from plant meterials in soils in over 10 years

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Natural nitrogen-15 abundance of ammonium nitrogen and fixed ammonium in soils

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Nitrification-denitrification loss of added nitrogen in floogen rice rhizosphere

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Nitrogen forms in humic substances

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Role of amorphous managanese oxide in nitrogen loss

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Fate of urea nitrogen applied to rape grown on a red soil and efficiency of urea in raising yield

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Effect of lime nitrogen on the transformation of urea in soils

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