Encapsulation of urea and its effect on NUE growth and yield of maize

Hmar, Lalchhuanawmi; Backiyavathy, M.R.; Rahale, Sharmila

ISBN 10: 6205526778 / ISBN 13: 9786205526774

Published by LAP LAMBERT Academic Publishing, 2022

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Bibliographic Details

• Title: Encapsulation of urea and its effect on NUE growth and yield of maize
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2022
• Language: English
• ISBN 10: 6205526778
• ISBN 13: 9786205526774
• Binding: Soft cover
• Condition: New

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Synopsis

In this study, three distinct types of urea fertilizer coatings with ethyl cellulose and starch-super absorbent polymer were synthesized and their release pattern as well as their effectiveness in field condition was also closely studied. A column experiment was set up to study the release pattern of the coated urea. Only 40% (64.2 mg N kg-1 soil) of the nitrogen was released by the double-coated urea (EC+SAP) in the first 24 hours, which exhibited the highest slow-release pattern. In a field experiment conducted in Vaiyampalayam, Coimbatore, India, Urea coated with EC + starch-SAP (100% RDF) has the highest dry matter production, followed by Urea coated with EC + starch-SAP (75% RDF) with values of 9519 and 9116 kg ha-1, respectively.