Covariance Structures in Conventional and Organic Cropping Systems
نویسندگان
چکیده
منابع مشابه
Comparing Energy Use in Conventional and Organic Cropping Systems
Energy consumption can vary signifi cantly between conventional and organic production systems when accounting for direct energy inputs as well as indirect energy involved in manufacturing, shipping and applying pesticides and nitrogen-based fertilizers. Because organic agriculture reduces the amount of indirect energy inputs, it is often assumed that organic agriculture is less energy intensiv...
متن کاملComparing Energy Use in Conventional and Organic Cropping Systems
Energy consumption can vary signifi cantly between conventional and organic production systems when accounting for direct energy inputs as well as indirect energy involved in manufacturing, shipping and applying pesticides and nitrogen-based fertilizers. Because organic agriculture reduces the amount of indirect energy inputs, it is often assumed that organic agriculture is less energy intensiv...
متن کاملBelow- and aboveground abundance and distribution of fungal entomopathogens in experimental conventional and organic cropping systems
a r t i c l e i n f o
متن کاملStatistical Modeling of Yield and Variance Instability in Conventional and Organic Cropping Systems
Published in Agron. J. 103:673–684 (2011) Published online 9 Mar 2011 doi:10.2134/agronj2010.0420 Copyright © 2011 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 retr...
متن کاملWeed control in organic horticultural cropping systems
A review of organic growers' concerns about weeds is presented and several issues that may ease those concerns are highlighted. The underlying principles of organic weed management (OWM) are briefly discussed and results from organic grower surveys regarding weed management practices in organic horticultural cropping are presented. The most common weeds encountered by organic growers, often tho...
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ژورنال
عنوان ژورنال: International Journal of Agronomy
سال: 2013
ISSN: 1687-8159,1687-8167
DOI: 10.1155/2013/494026