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Efficacy of Herbicides Under Direct Seeded Rice Establishments

R. P. Singh

Published by LAP Lambert Academic Publishing
ISBN 10: 3847311565 / ISBN 13: 9783847311560
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Title: Efficacy of Herbicides Under Direct Seeded ...

Publisher: LAP Lambert Academic Publishing

Binding: Paperback

Book Condition: New

Book Type: Paperback

Description:

Paperback. 196 pages. Dimensions: 8.7in. x 5.9in. x 0.5in.Change in method of crop establishment from traditional transplanting of seedlings to direct seeding has occurred in many rice growing countries in response to increasing production cost, especially for labour and water. It also aids in quick rice establishment, early harvest and thus early sowing of wheat. Sowing of pre-germinated rice seeds under puddled condition either manually or drum seeding method reduces the demand of water for puddling and minimized the emergence of weed flora by placing the seed, stems and stolens of weeds into sub-surface. Direct seeded rice is subjected to greater weed competition because both weed and crop seeds emerge at the same time and compete with each other from the germination as a result less grain yield. Uncontrolled weeds reduce the yield by 96 in dry seeded rice and 61 in wet seeded rice. Control of weeds is important to reduce the weed competition as well as to maximize the efficient utilization of resources. Herbicides are considered to be an economical alternative to manage weeds against age-old practice of hand weeding, which is costlier and also becomes impracticable. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783847311560

About this title:

Synopsis: Change in method of crop establishment from traditional transplanting of seedlings to direct seeding has occurred in many rice growing countries in response to increasing production cost, especially for labour and water. It also aids in quick rice establishment, early harvest and thus early sowing of wheat. Sowing of pre-germinated rice seeds under puddled condition either manually or drum seeding method reduces the demand of water for puddling and minimized the emergence of weed flora by placing the seed, stems and stolens of weeds into sub-surface. Direct seeded rice is subjected to greater weed competition because both weed and crop seeds emerge at the same time and compete with each other from the germination as a result less grain yield. Uncontrolled weeds reduce the yield by 96 % in dry seeded rice and 61% in wet seeded rice. Control of weeds is important to reduce the weed competition as well as to maximize the efficient utilization of resources. Herbicides are considered to be an economical alternative to manage weeds against age-old practice of hand weeding, which is costlier and also becomes impracticable.

About the Author: Dr. Mandhata Singh has obtained his PhD degree in 2009 from BHU and working as Scientist in Nagaland University. He is the author of several articles published in reputed journals and member of several national societies. Dr. R. P. Singh is a Director of I.Ag.Sci.BHU, former President of ISWS and published 150 national/international articles.

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