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Stage depend torlance of paddy ( Oryza sativa L.) and wheat (Triticum aestivum) to organic load in distillery effluent and associate change in soil properties

Indian Agricultural Research Journals

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Title Stage depend torlance of paddy ( Oryza sativa L.) and wheat (Triticum aestivum) to organic load in distillery effluent and associate change in soil properties
 
Creator YADAV, R K
CHATURVEDI, R K
MINHAS, P S
 
Subject Biological oxygen demand; Distillery effluent; Micronutrjents; Redox potential. Paddy; Wheat;
 
Description An experiment was conducted during 2001-2002 in filled-in micro-lysimeters (0.45m ID. lm deep) with a sandy loam soil to evaluate the stage dependent and overall tolerance of paddy ( O y u ssutivu L.) and wheat (Triricwi aestiv~o~r L. mend Fiori & Paol.) to inigation with high organically loaded water (dilutions of distillery effluent) and associated soil properties. Due to simultaneous addition of nutrients, the paddy yields rather improved when irrigated with waters having biological oxygen demand up to 500 mgllitre bur with further increase in biological oxygen demand to 1 000. 1 500,2 000 and 4 000 mglliter, its yields were reduced to 96,68,38 % and nil respectively when referenced to yields with normal tube well water imgation. Paddy growth and yield decreased to 80 and 28 'jr,, with application of 2 000 and 4 000 mgllitre biological oxygen demand water at early growth stages, i e transplanting to tillering and tillering to flowering whereas 12 and 3 1 % higher yields obtained when these waters were used at later stages, i e between flowering to milk-ripe and milk-ripe to maturation respectively. Nevertheless the growth and yield of wheat remained unaffected w h ei~rr igated with waters having biological oxygen demand up to 3 000 meflitre. Piece-wise linear response fitted to data showed following relations: RY = 100 - 0.026 (BOD - 500) for paddy (r = 0.91**) and RY = 100 - 0.042 (bioiogical oxygen demand - 1990) for wheat (r = 0.78**) indicating that waters with higher organic load can be used for wheat. Major benefit from the use of high biological oxygen demand waters was accrued in terms of considerable improvements in nutrients and organic matter in soils although a slight increase in salt content was also noticed. The studies indicate that the high biological oxygen demand waters like the distillery effluent hold promise for inigation if diluted to levels within the threshold biological oxygen demand limits of crops and also when used during latcr stages of their growth. 
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-10
 
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/3264
 
Source The Indian Journal of Agricultural Sciences; Vol 76, No 11 (2006)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/3264/1299
 
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