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Relative Efficiency of Prilled Urea, Urea Super Granules, Sulphur Coated Urea and Nitrification Inhibitor N‐Serve Blended Urea for Direct Seeded Rice

Relative Efficiency of Prilled Urea, Urea Super Granules, Sulphur Coated Urea and Nitrification... A two year field study conducted at the Indian Agricultural Research Institute, New Delhi, India showed that for direct seeded rice (drilled in moist bed) blending of urea with nitrification inhibitor N‐Serve was the most advantageous; it gave significantly higher grain and straw yield nitrogen uptake by rice than urea super‐granules (USG), urea briquettes (UB), sulphur coated urea (SCU), neem cake coated urea (NCU) and prilled urea. USG or UB were next in order and significantly superior to SCU, NCU and prilled urea, which were equally effective. Nitrogen application to rice left a significant residual effect on succeeding wheat, but various sources of nitrogen studied did not differ significantly in this respect. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Agronomy and Crop Science Wiley

Relative Efficiency of Prilled Urea, Urea Super Granules, Sulphur Coated Urea and Nitrification Inhibitor N‐Serve Blended Urea for Direct Seeded Rice

Journal of Agronomy and Crop Science , Volume 159 (5) – Dec 1, 1987

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References (26)

Publisher
Wiley
Copyright
Copyright © 1987 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0931-2250
eISSN
1439-037X
DOI
10.1111/j.1439-037X.1987.tb00106.x
Publisher site
See Article on Publisher Site

Abstract

A two year field study conducted at the Indian Agricultural Research Institute, New Delhi, India showed that for direct seeded rice (drilled in moist bed) blending of urea with nitrification inhibitor N‐Serve was the most advantageous; it gave significantly higher grain and straw yield nitrogen uptake by rice than urea super‐granules (USG), urea briquettes (UB), sulphur coated urea (SCU), neem cake coated urea (NCU) and prilled urea. USG or UB were next in order and significantly superior to SCU, NCU and prilled urea, which were equally effective. Nitrogen application to rice left a significant residual effect on succeeding wheat, but various sources of nitrogen studied did not differ significantly in this respect.

Journal

Journal of Agronomy and Crop ScienceWiley

Published: Dec 1, 1987

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