Abstract
A microplot experiment was conducted on a medium black soil for screening of groundnut genotypes for improved S utilization. From this experiment four different S sources viz., Gypsum, SSP, FeSO4, and ZnSO4, were applied at four levels (S @ 0, 20, 30, and 40 kg ha-1). The results revealed that the addition of 40 kg S ha-1 as FeSO4 substantially increased the dry matter production and sulphur uptake irrespective of groundnut genotypes. Sulphur application in the form of SSP enhanced the root length and number of pods per plant. Groundnut genotypes CO7, VRI 8, and TMV 14 were categorized as efficient S utilizers, while BSR 2 and ALR 3 were recorded to be inefficient S utilizers.
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