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Effect of tillage and irrigation on yield and soil properties under rice (Oryza sutiva)-wheat (Triticumz aestivum) system on a sandy clay loam soil of Uttaranchal

Indian Agricultural Research Journals

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Title Effect of tillage and irrigation on yield and soil properties under rice (Oryza sutiva)-wheat (Triticumz aestivum) system on a sandy clay loam soil of Uttaranchal
 
Creator BHATTACHARYYA, RANJAN
SINGH, R D
CHANDRA, S
KUNDU, S
GUPTA, H S
 
Subject Zero tillage; Irrigation; Rice-wheat; Soil organic carbon; Plant available water capacity
 
Description A field experiment was conducted for 2 years (2001-02 to 2002-03) to study the tillage (conventional and zero) and irrigations effects on direct seeded rice (Oryza Sativa L.) wheat (Triticulil aestivunl L. emend. Fiori & Paol.)productivity and soil physical conditions after ricc and wheat harvest. Tl~crew as a reduction up to 6% in soil organic carbon with conventional tillage both aftcr rice and wheat halvest. Soil organic carbon increased (data) significant with incrcase in levels of irrigation for both tlie crops and the hiegst average value of organic carbon obtained in the most frequently irrigated plots. Soil bulk density decreased significantly with conventional tillage ( 1.34 and 1.36 MgIm3 at 0-1 5 and 15-30 cm soil depth respectively) at both the soil depths and after botli rice and wheat crop. But plant available water capacity was significantly higher in zero tilled plots (5.07 and 4.86 cnu' 30 c ns~o il layer after rice and wheat crop respectively) tlian the conventionally tilled plots (4.23 and 4.21 cni 130 cm soil layer after rice and wheat crop respectively). There was a significant increase in labo~.atorye stimated saturated hydraulic conductivity ~ncasurcdu ndcr zero-tilled plots (1 .I3 and 1.07 cn~ihart 0-15 and 15-30 cm soil layer respectively) after rice harvest. Pooled yield data sliowcd that the performance of conventionally and zcro-tilled direct seeded rice was at par but botli rice and wheat yields were 1 and 4's higher respcctively in conventionaliy tilled plots. 
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-08
 
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/2985
 
Source The Indian Journal of Agricultural Sciences; Vol 76, No 7 (2006)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/2985/1056
 
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