Madras Agricultural Journal
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EFFECT OF LEVELS OF SULPHUR ON THE YIELD AND COMPOSITION OF SOYBEAN, (Glycin max (L) Merr.) GREEN GRAM (Vigna radiatus L.), BLACK GRAM (Vigna mungo L.) AND COWPEA (Vigna sinensis L).

Abstract

Field experiment conducted on soybean, greengram, blackgram and cowpea with four levels of sulphur vis; 0,20,40 and 80 kg S/ha in alluvial soils at College of Agriculture Gwalior, indicated a significant increase in the yield. The magnitude of increase in the yield was higher for soybean and cowpea. An increase in the concentration and uptake of N,P,K and S was noticed. A significant negative relationship between N:S ratio and yield suggests that a wider N:S ratio will drastically reduce the crop yield.

Keywords: Sulphur-yield, composition.

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ISSN : 0024-9602
eISSN : 2582-5321

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