Split Application of Urea Does Not Decrease and May ...

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Agronomy Journal Volume 107, Issue 1 2015 337 Agronomy, Soils & Environmental QualitySplit Application of urea does Not Decrease and May increase nitrous oxide emissions in Rainfed CornRodney T. Venterea* and Jeffrey A. CoulterPublished in Agron. J. 107:337 348 (2015) freely online through the author-supported open access option. Copyright 2015 by the American Society of Agronomy, 5585 Guilford Road, Madison, WI 53711. All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the cation of N fertilizer Application timing within the growing season has the potential to reduce soil nitrous oxide (N2O) emissions but limited data are available to assess its e ects.

Split Application of Urea Does Not Decrease and May Increase Nitrous Oxide Emissions in Rainfed Corn Rodney T. Venterea* and Jeffrey A. Coulter ... Split application did not a˛ ect grain yield and did not reduce cN 2 O. Across N rates and rotations, cN 2 O was 55% greater

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