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Sulphur deficiency in soils and crop response to fertiliser sulphur in India

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Title Sulphur deficiency in soils and crop response to fertiliser sulphur in India
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Creator Biswas, B.C.
Sarkar, M.C.
Tanwar, S.P.S.
Das, S.
Kalwe, S.P.
 
Subject Sulphur deficiency in soil
crop response to fertiliser sulphur
 
Description Not Available
Soil health has become a cause of concern for sustainable agricultural production in the new millenium. Use of high analysis sulfur free fertilizers, heavy S removal by the crops under intensive cultivation and neglect of S replenishment has contributed to widespread sulphur deficiencies in India. Over 27000 soil samples from 12 states were analysed, of which 40% were found deficient and anther 35% were potential deficient in available sulphur. More than 70% soil samples taken from Uttar Pradesh, Madhya Pradesh, Maharastra, Orissa, Jharkhand, West Bengal , Andhra and Karnataka were found low to medium in available sulphur. High crop response to applied sulphur was observed. The optimum sulphur dose varied between 30-45 kg/ha. The rice yield increased by 5-51%, maize by 11-93%, wheat by 29-30 % and sorghum by 14%. Amongst the oilseeds, the yield increase was 13-69% in groundnut, 19-34% in mustard, 10-100% in soybean and 60% in sunflower. Amongst pulses, it was 44% in pea and 20% in cowpea. Across the crops and region, the agronomic efficiency varied from 6-30 kg/kg applied sulphur and apperant sulphur recovery from 2-27%. The residual effect on succeding crops varied from 3-81%. The economic returns from S fertilizer application were very attractive. The value cost ratio (VCR) ranged between 12-24.
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Date 2021-08-25T09:02:06Z
2021-08-25T09:02:06Z
2004-10-01
 
Type Research Paper
 
Identifier Biswas, B.C., Sarkar, M.C., Tanwar S.P.S., Das, S. and Kalwe, S.P. 2004. Sulphur deficiency in soils and crop response to fertiliser sulphur in India. Fertiliser News 49(10): 13-33.
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http://krishi.icar.gov.in/jspui/handle/123456789/60506
 
Language English
 
Relation Not Available;
 
Publisher The Fertiliser Association of India