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Effect of gypsum on moisture availability in vertisols under soybean gram sequence.

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Title Effect of gypsum on moisture availability in vertisols
under soybean gram sequence.
 
Creator Wakode, Roshan
Juwarkar, A A
Singh, Sanjeev
Raghunathan, Karthik
Thawale, Prashant Ramchandra
 
Subject Environmental Biotechnology
Agriculture
 
Description A field experiment entitled, effect of gypsum on moisture availability in Vertisols in under soybean–gram sequence was conducted during season of 2008-2009 at extra assistant director (EAD) farm, College of Agriculture, Nagpur. The field experiment was laid out in randomized block design (RBD) with seven treatments replicated thrice. Highest yield and moisture use efficiency in soybean were obtained 3 t gypsum ha-1 whereas 1.5 t gypsum ha-1 also increased yield and MUE of soybean over control. Increasing level of gypsum also increased the yield and MUE efficiency of gram. Reduction in water dispersible clay, ESP, pH, exchangeable sodium, Mg. Improvement in HC, exchangeable Ca and Ca/Mg ratio was found with higher level of gypsum but low level of
gypsum i.e. 1.5 t ha-1 was also sufficient to give better result over control (no gypsum). Favourable changes in soil
physical and chemical properties were mostly found in surface soil (0-30 cm) and in sub-soil (30-60 cm) effect was
not significant. Increased in moisture storage in sub soil observed in gypsum applied plots over control. Result
revealed that 1.5 t gypsum ha-1 was found sufficient to maintain enough electrolyte concentration and maintaining
Ca/Mg ratio for improving H.C. and other physical properties resulted in better storage of moisture and increased in
yield of soybean and gram.
 
Publisher TJEAS
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/805/1/73-85.pdf
Wakode, Roshan and Juwarkar, A A and Singh, Sanjeev and Raghunathan, Karthik and Thawale, Prashant Ramchandra (2011) Effect of gypsum on moisture availability in vertisols under soybean gram sequence. Techical Journal of Engineering and Applied Sciences, 1 (3). pp. 73-85.
 
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http://neeri.csircentral.net/805/