596 resultados para Poly(urethane urea)

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

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

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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 evaluation of urease inhibitors to improve the dfficiency of urea as a N-sou

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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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Efficiency of urea in crop production in china

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

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Ammonia loss from urea/potassium chloride mixtures applied to sugarcane trash

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Variation in the relationship between nitrification and acidification of subtropical soils as affected by the addition of urea or ammonium sulfate

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Variation in the relationship between nitrification and acidification of subtropical soils as affected by the addition of urea or ammonium sulfate

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Comparison of different methods for the measurement of ammonia voltatilization after urea application in Henan Province, China

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Effects of placement methods on recovery of applied N(15N-labelled urea)in lowlarice

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Synthesis and chiroptical properties of optically active poly(N-propargylamide) bearing photoisornerizable azobenzene moieties

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