Biblioteca Digital

325 resultados para Nitrogen saturation

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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The availability of the nonhydorolyzable soil nitrogen

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Nitrogen and potassium status in rhizosphere

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Nitrogen-15 balance and residual effectsof urea-N in wetland rice field as...

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Properties and recovery of applied nitrogen(N-labelled urea) in wetland rice

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On the improvement of the efficieney of nitrogen of chemical fertilizers and...

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Organic matter and nitrogen contents of soils as influenced by management

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Nitrogen loss from fertilizers applied to flooded rice and its control

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