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Management influence on maize–wheat system performance, water productivity and soil biology

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Title Management influence on maize–wheat system performance, water productivity and soil biology
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Creator HS Jat
G Singh
R Singh
M Choudhary
MK Gathala
ML Jat
DK Sharma
 
Subject Maize–wheat system
crop yields
water productivity
economic profitability
soil biological properties
 
Description Not Available
Cereal cropping productivity in the Indo-Gangetic Plain (IGP) of India is declining, which may be overcome by diversification, alternate crop establishment methods and mulching. This study wa sconducted to determine whether no-till flat (NTF), permanent raised beds (PRB) and non traditional ex situ mulching would improve crop and water productivity, economic profitability and soil biological properties in an irrigated maize (Zea mays)–wheat (Triticum aestivum) system (MWS). NTF systems produced 10% higher economic net returns compared with PRBs. Non-traditional mulching (Sesbania, Jatropha and Brassica) increased yields by >10% and net returns by >12% compared with no-mulch. The water saving in PRBs compared with NTF systems was 79, 94 and 173 mm/ha in maize, wheat and MWS, respectively. PRBs saved 29.2% of irrigation water and improved the MWS irrigation water productivity (WPI) by 24.5% over NTF. On average, mulching saved 23.8
m/ha irrigation water over no-mulch and improved WPI by 12.0%. PRBs with ex situ mulching produced wheat and maize equivalent system yields lower than NTF but improved WPI and soil biological properties. Jatropha and Sesbania mulching improved yield, water saving, WPI and system profitability. In limited irrigation and no crop residue availability conditions, Sesbania, Jatropha and Brassica vegetation material have potential applications for ex situ mulching under PRBs for water saving and NTF for productivity.
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Date 2018-09-20T08:35:15Z
2018-09-20T08:35:15Z
2015
 
Type Research Paper
 
Identifier Jat, H.S., Gurbachna Singh, Ranbir Singh, Choudhary, M., Gathala, M.K., Jat, M.L. and Sharma, D.K. 2015. Management influence on maize–wheat system performance, water productivity and soil biology. Soil Use and Management 3: 534-543.
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http://krishi.icar.gov.in/jspui/handle/123456789/7108
 
Language English
 
Relation Not Available;
 
Publisher Wiley