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Relative efficiency of sulphur sources at varying rate in aerobic rice (Oryza sativa)-wheat (Triticum aestivum) cropping system

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Title Relative efficiency of sulphur sources at varying rate in aerobic rice (Oryza sativa)-wheat (Triticum aestivum) cropping system
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Creator ASHA RAM
DINESH KUMAR
ANJALI ANAND
NAIN SINGH
DASHARATH PRASAD
 
Subject Agronomic efficiency,
Apparent sulphur balance,
Gypsum,
Partial factor productivity,
Phosphogypsum,
System productivity
 
Description Not Available
A field experiment was conducted during 2010-11 and 2011-12 at the research farm of Indian Agricultural Research Institute, New Delhi to study the effect of sulphur fertilization on productivity, economics and nutrient use efficiencies of aerobic rice (Oryza sativa L.)-wheat (Triticum aestivum L.) cropping system.The results revealed that aerobic rice and wheat both responded to sulphur significantly. Sulphur fertilization in aerobic rice through gypsum @ 30 and 60 kg S/ha and phosphogypsum @ 30 and 60 kg S/ha increased the rice equivalent yield of system by 7.8, 10.6, 7.0 and 9.8 %, respectively, over control (no sulphur in rice). The values for per cent increase in rice equivalent yield of systems was 8.4 and 11.6% for 15 and 30 kg S/ha, respectively, when applied to wheat over the control treatment in wheat. Significant response of S applied to rice was found only up to 30 kg S/ha, except 30 kg S/ha applied through phosphogypsum during 2010-11. In wheat, significant response of S was found only up to 15 kg S/ha during second year. During first year of rice-wheat cropping system, economic optimum dose (EOD) of sulphur was 30 kg S/ha through gypsum to rice and 15 kg elemental S/ha to succeeding wheat, while during second year only 30 kg S/ha through either of the sources to rice was found sufficient for both the crops. The apparent sulphur balances and available sulphur in soil were more in higher doses of S application to both the crops. The partial factor productivity, agronomic efficiency and crop recovery of applied S were highest with application of 30 kg S/ha in aerobic rice and 15 kg S/ha in succeeding wheat during both the years of experimentation.
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Date 2021-11-23T05:37:39Z
2021-11-23T05:37:39Z
2016-07-27
 
Type Research Paper
 
Identifier ASHA RAM, DINESH KUMAR, ANJALI ANAND, NAIN SINGH4 and DASHARATH PRASAD. 2016. Relative efficiency of sulphur sources at varying rate in aerobic rice (Oryza sativa)-wheat (Triticum aestivum) cropping system. Indian Journal of Agricultural Sciences 86 (11): 1399–1405, November 2016/Article
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http://krishi.icar.gov.in/jspui/handle/123456789/67644
 
Language English
 
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Publisher Not Available