R.N. PANDEY AND B.H. GIRISH360 EXTRACTANTS AND CRITICAL LIMITS OF AVAILABLE SOIL SULPHUR FOR MUSTARD (BRASSICA CAMPESTRIS VAR. TORIA)

Pot experiments were conducted for two years using four levels of sulphur (0, 10, 20 and 30 mg S kg-1 soil) in twenty five soils representing five major soil orders (Entisols, Inceptisols, Alfisols, Mollisols and Vertisols) of India to assess the suitability of fourteen extractants for establishin