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Combined effect of tillage-water-nutrient management under rice-wheat agro-ecosystem: a study on chemical indicators of soil quality

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Title Combined effect of tillage-water-nutrient management under rice-wheat agro-ecosystem: a study on chemical indicators of soil quality
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Creator Debarati Bhaduri, T J Purakayastha, AK Patra, M Singh, S Sarkar
 
Subject Soil Quality Indicators
 
Description Not Available
Soil available nutrients are very sensitive to change in response to management practices, and are considered to be chemical indicators of soil quality. The present investigation was conducted using two tillage managements for rice (puddled and nonpuddled) and wheat (conventional tillage and no-tillage), three water managements and nine nutrient managements. After eight cropping cycles, puddling significantly increased soil organic carbon (SOC)(9.6 g kg-1) and available N (159.5 mg kg-1) compared to non-puddled soil. The continuous submergence increased the SOC, available Fe, Cu, Mn contents in soil following rice growth, whereas significantly decreased the available N, P and Zn ones. On the contrary, less frequent irrigation improved the SOC, available N and micronutrient contents after wheat cultivation. No-tillage significantly enhanced SOC, available N and Mn. Application of sewage sludge enhanced the soil available Zn (2.98 and 2.09 mg kg-1) and Cu (2.95 and 2.06 mg kg-1) following harvest of both crops. Organic sources like crop residues, green manure, sewage sludge and combination of organic sources were more effective in improving soil quality indicators.
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Date 2022-03-31T04:48:47Z
2022-03-31T04:48:47Z
2014-01-01
 
Type Research Paper
 
Identifier Bhaduri, D., Purakayastha, T.J., Patra, A.K., Singh, M. and Sarkar, S., 2014. Combined effect of tillage-water-nutrient management under rice-wheat agro-ecosystem: a study on chemical indicators of soil quality. Agrochimica, 58:.63-76.
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http://krishi.icar.gov.in/jspui/handle/123456789/70939
 
Language English
 
Relation Not Available;
 
Publisher Pisa University, Italy