Use of 15N-labeled soil in measuring nitrogen fertilizer recovery effiency in transplanted rice

Use of 15N-labeled soil in measuring nitrogen fertilizer recovery effiency in transplanted rice

In transplanted flooded rice (Oryza sativa L.) culture in Asia, N fertilizer recovery efficiency (RE) estimates are usually greater with the difference method than with the 15N method. These reported differences are greater and more common for transplanted irrigated rice than for upland crops and mi...

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Veröffentlicht in:Soil Science Society of America journal 2000-01, Vol.64 (1), p.235-239
Hauptverfasser: Bronson, K F, Hussain, F, Pasuquin, E, Ladha, J K
Format: Artikel
Sprache:eng
Schlagworte:
Fertilizers
Measurement
Nitrogen
Rice
Soils
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Zusammenfassung:In transplanted flooded rice (Oryza sativa L.) culture in Asia, N fertilizer recovery efficiency (RE) estimates are usually greater with the difference method than with the 15N method. These reported differences are greater and more common for transplanted irrigated rice than for upland crops and might be associated with basal N applications when plant demand is low.
ISSN:0361-5995
1435-0661