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Effect of varying fertilization on yield of rice (Oryza sativa)-wheat (Triticum, aestivum) system and soil fertility status

Indian Agricultural Research Journals

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Title Effect of varying fertilization on yield of rice (Oryza sativa)-wheat (Triticum, aestivum) system and soil fertility status
 
Creator CHANDRA, SUBHASH
GHOSH, B N
SINGH, PREM
SINGH, R D
 
Subject Rice - wheat rotation, Oryza sativa, Triticum aestivum, Fertilization, Green-manuring
 
Description A field experiment was conducted at Almora during 1994-99 to work out the fertilizer requirement of rice (Oryza sativa L.)-wheat (Triticum aestivum L. emend. Fiori & Paol.) system under irrigated conditions. Rice with recommended NPK (P as diammonium phosphate) and wheat with recommended NPK (P as single superphosphate) gave the highest grain yield during all (he years. Application of only nitrogen was more detrimental to wheat than rice. Skipping P applicationdrastically reduced the grain yield of wheat in the fourth year, but it did not hold true in case of rice. In the control treatment, rice gave almost 3 times more grain yield (2,67 tonnes/ha) than wheat (0.97 tonne/ha). but both had almost comparable yield level in the highest yield-producing treatments, i e NPK. Pas diammonium phosphate in rice (4.71 tonnes/ha) and NPK. P as single superphosphate in wheat (4.92 tmmes/ha), Reducing the recommended fertilizer dose 10 half along'with sunnhemp (Crotalaria juncea L.) green-manuring recorded at par yield of rice with the recommended NPK. None of inorganic fertilizer treatments was capable of maintaining soil fertility except green-manuring with 100 or 50% of NPK.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-04-29
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/40256
 
Source The Indian Journal of Agricultural Sciences; Vol 71, No 10 (2001)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/40256/18087
 
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