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Effect of nitrogen scheduling on wheat (Triticum aestivum) productivity and quality under alternate tillage practices

Indian Agricultural Research Journals

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Title Effect of nitrogen scheduling on wheat (Triticum aestivum) productivity and quality under alternate tillage practices
 
Creator KHARUB, A S
CHANDER, SUBHASH
 
Subject Agronomic efficiency; Grain protein; Nitrogen scheduling; Tillage options; Wheat; Yield
 
Description Field experiments were conducted during 2004–07 to study the effect of nitrogen scheduling on growth, yield and quality on bread wheat (Triticum aestivum L. emend. Fiori & Paol.) under alternate tillage systems on sandy clay loam soil having low to medium soil fertility. A total of 9 nitrogen scheduling treatments including absolute control, full basal, 2, 3 and 4 splits at different stages were undertaken with recommended dose of nitrogen under zero and rotary tillage. Results showed that both the tillage options gave statistically similar plant height, tillers/m2 and 1000 grain weight in all N schedules. Nitrogen splitting at 2 or 3 or 4 times gave almost similar plant height, tillers/m2 and 1 000 grain weight but greater than the single dose application either at basal or tillering. Grain and straw yield were statistically similar under rotary and zero tillage. The grain and straw yield were higher under 3 splits of nitrogen scheduling either 1/3 basal+1/3 at tillering+1/3 at floral formation or 1/4 basal+1/2 at tillering+1/4 at floral formation and 2 splits 1/3 basal + 2/3 at first node compared to the other treatments. Full N as basal or full at tillering gave significantly less yield as compared to other treatments. Three and four splits of nitrogen were significantly better in total protein yield as compared to two splits or single N application. Agronomic efficiency was also found to be higher under split application treatments (1/3 basal+1/3 at tillering+1/3 at floral formation or 1/4 basal+1/2 at tillering+1/4 at floral formation and 2 splits 1/3 basal+2/3 at first node).
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-06
 
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/2797
 
Source The Indian Journal of Agricultural Sciences; Vol 80, No 1 (2010)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/2797/899
 
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