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Evaluation of phosphorus efficiency in soybean (Glycine max) and wheat (Triticum aestivum) cropping system in relation to fertilizer on a Typic Haplustert

Indian Agricultural Research Journals

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Title Evaluation of phosphorus efficiency in soybean (Glycine max) and wheat (Triticum aestivum) cropping system in relation to fertilizer on a Typic Haplustert
 
Creator RAO, A SUBBA
REDDY, K SAMI
TAKKAR, P N
 
Subject phosphorus efficiency, phosphorus harvest index, utilization of soil and fertilizer phosphorus, vertisols
 
Description In a field experiment in a semi-arid climute on a Typic Haplustert, several means of measuring phosphorus efficiency were evaluated in soybean [Glycine max (L.) Merr.]- wheat (Triticum aestivum L. emend, Fiori & Paol.) cropping system in relation to applied p, Seven rates of P (0, 10, 20, 40, 60, 80 and 100 kg P/ha) were applied to both the crops, The computed optimum fertilizer P rates to achieve 90% of the maximum yield were 32,5 to 33.5 kg P/ha for soybean and 49.5 to 44.5 kg P/ha for Wheat during the 2 years. More applied P was translocated to grain in wheat than in soybean. The efficiency of fertilizer - P utilization in both the crops was reduced beyond 40 kg P/ha. Wheat proved more efficient in utilizing the fertilizer P and also required larger dose of fertilizer P, whereas soybean efficiently utilized the soil P and required lower rate of the fertilizer P.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-05-17
 
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/30120
 
Source The Indian Journal of Agricultural Sciences; Vol 67, No 11 (1997)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/30120/13591
 
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