Книга: CHARLES ONYANGO «BYPASS FLOW NITROGEN LOSSES IN VERTISOLS IN TROPICAL ENVIRONMENTS»
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Производитель: "LAP Lambert Academic Publishing" Bypass flow is one of the main avenues of fertilizer nitrogen (N) loss in agricultural fields. The magnitude of fertilizer N carried in bypass flow is influenced by soil characteristics, nitrogen species (i. e., NH4+ or NO3-) and rainfall patterns, inter alia. Wetting the soil prior to fertilizer application resulted in significantly (p ammonium sulphate>calcium nitrate, while the effect of N sources on nitrate-N were in the order calcium nitrate>urea = ammonium sulphate. The increase in nitrate-N in the effluent due to fertilizer rate were in the order 200>100>50 kg N... ISBN:9783844305951 Издательство: "LAP Lambert Academic Publishing" (2011)
ISBN: 9783844305951 |
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