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http://krishi.icar.gov.in/jspui/handle/123456789/14503
Title: | Recent approaches in nitrogen management for sustainable agricultural production and eco-safety |
Other Titles: | Not Available |
Authors: | Ram A. Jat , Suhas P. Wani , Kanwar L. Sahrawat , Piara Singh , S.R. Dhaka & B.L. Dhaka |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR-Directorate of Groundnut Research |
Published/ Complete Date: | 2011-07-01 |
Project Code: | Not Available |
Keywords: | controlled-release N fertilizers, eco-safety, nitrogen, nitrogen use efficiency, sustainability |
Publisher: | Taylor & Francis |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Among plant nutrients, nitrogen (N) is the most important. Its importance as a growth- and yield-determining nutrient has led to large and rapid increases in N application rates, but often with poor use efficiency. Nitrogen management requires special attention in its use so that the large losses can be minimized and the efficiency maximized. Site-specific nutrient management (SSNM) has been found especially useful to achieve the goals of improved productivity and higher N use efficiency (NUE). Leaf color charts and chlorophyll meters assist in the prediction of crop N needs for rice and wheat, leading to greater N-fertilizer efficiency at various yield levels. Crop simulation models can be used in combination with field information and actual weather data to make recommendations to achieve higher NUE. Remote sensing tools are also used to predict crop N demands precisely. At the same time, traditional techniques like balanced fertilization, integrated N management (INM), use of nitrification inhibitors and slow-release nitrogenous fertilizers (SRNF), split application and nutrient budgeting, among others, are also used to supplement recent N management techniques to attain higher productivity and NUE, and reduce environmental pollution through the leakage of fertilizer N. |
Description: | Not Available |
ISSN: | 0365-0340 print 1476-3567 online |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Archives of Agronomy and Soil Science |
NAAS Rating: | 8.14 |
Volume No.: | 58(9) |
Page Number: | 1033-1060 |
Name of the Division/Regional Station: | Crop Science |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/14503 |
Appears in Collections: | CS-DGR-Publication |
Files in This Item:
File | Description | Size | Format | |
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NUE review_Final copy.pdf | 328.34 kB | Adobe PDF | View/Open |
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