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Nutrient status of phosphocompost and its effect on maize (Zea muys)-wheat (Triticum aestivum) cropping system as source of phosphorus in acid Alfisol of Ranchi, Jharkhand

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Title Nutrient status of phosphocompost and its effect on maize (Zea muys)-wheat (Triticum aestivum) cropping system as source of phosphorus in acid Alfisol of Ranchi, Jharkhand
 
Creator MISHRA, B
SHARMA, A
ROY, N K
SHAHI, D K
LAL, J K
 
Subject Maize-wheat sequence cropping, Zen mays, Triticum aestivum, Phosphocompost, Acid Alfisol, Nutrient status, Yield, P uptake
 
Description An experiment was carried out during the rainy and winter seasons of 1992-96 to study the nutrient status of phosphocompost and its effect on maize (Zea mays L.)-wheat (Triticum aestivum L. emend. Fiori & Paol.) cropping system as source of P in acid Alfisol. A high-quality phosphocompost containing 4.01-6.5% rps was prepared in 1 m x 1 m x 1 m cemented pits from mixed plant materials, viz rice (Oryza sativa L.) straw, waterhyacinth [Eichhornia crassipes (C. martius) Solms-Laub], lantana (Lantana sp) and ipomoea (Ipomoea sp) leaves, in ,qual proportions reinforced with mussoorie rock phosphate in presence and absence offresh dung, soil and farmyard manpre in ratio of 8: 1 :0.5:0.5 on dry-weight basis. The quality of phospho compost was improved substantially in term ofincrcreased total P (1.75 to 2.87%), water-soluble P (280 to 470 mg/kg), citrate-solubleP (4 500 to 8 300mg/kg), total N (1.49 to 1.51 %) and mineral nitrogen (751 to 777 mg/kg). The prepared phosphocompost was compared favourably with 30 an9 60 kg pps basis with single superphosphate in a microplot field (10m2) during the rainy season of 1992-95 raising maize ('GS 2') and wheat ('RR 21') in winter season of 1992-93 to 1995-96 as test crops. The grain and straw yields of both maize and wheat were significantly superior in all the treatments containing P as phosphocompost and single superphosphate to the control. The highest yield (3 404 kg/ha maize grain and 2 481 kg/ha wheat grain) and increase (54.5 and 90.8% in maize and wheat respectively) over the control of maize and wheat were found in the treatment receiving N100 P60 as single superphosphate which was at par with treatment receiving Nloo P 60 as phosphocompost, while significantly superior to other treatments. The similar trend was observed for P uptake by both the test crops. The highest removal of P (32.68 kg/ha) by maize-wheat sequence was found in treatment N100 P60 as single superphosphate. The pH, organic carbon, available phosphorus and nitrogen were also influenced.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor
 
Date 2014-05-08
 
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/40458
 
Source The Indian Journal of Agricultural Sciences; Vol 71, No 12 (2001)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/40458/18125
 
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