Madras Agricultural Journal
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ORGANIC, AVAILABLE AND TOTAL SULPHUR STATUS OF SOIL DUE TO LONG TERM FERTILIZATION AFTER 20 YEARS OF INTENSIVE CULTIVATION

Abstract

The available, organic and total sulphur content over the profile depth upto 6 cms were investigated in a long term fertilizer experiment, which was continously cropped for 20 years with a crop rotation of finger millet-maize-cowpea. The available S increased from surface (0-15 cms) to sub surface soil (15-30 cms) and again decreased at 30-45 cms and the content was almost the same at 45-60 cms also. The same trend was seen in the case of organic S. But, the total sulphur content was found to decrease from 0-15 cms to 45-60 cms depth.

Keywords: Long term fertilization, available S, organic S, total S.

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Tamil Nadu Agricultural University
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Tamil Nadu Agricultural University
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ISSN : 0024-9602
eISSN : 2582-5321

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