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Soil microbial count and Dehydrogenase activity of direct seeded rice as influenced by integrated nutrient management

The experiment was conducted at Agricultural College Farm, Raichur on medium black with clay loam texture during kharif season of 2016 and 2017 to know the effect of soil microbial count and dehydrogenase activity as influenced by integrated nutrient management in direct seeded rice. Pooled mean of two years indicated that among the integrated nutrient management practices significantly higher microbial count (25.90 cfu ×106 g -1 of bacteria, 8.79 cfu ×103 g -1 of fungi and 10.31 cfu ×104 g -1 of actinomycetes at harvest and dehydrogenase activity 101.96 of μg TPF formed g-1 of soil hr-1 at 45 and 109.70 of μg TPF formed g-1 of soil hr-1 at 60 DAS was recorded with the treatment, T2 (100% of NPK + FYM @ 10 tonnes ha-1 ) when compared to other treatments and was found on par with the treatments T1 (100% NPK) and T10 (50% of recommended N through composted poultry manure + 50% of recommended N through inorganic fertilizers). | Soil microbial count and Dehydrogenase activity of direct seeded rice as influenced by integrated nutrient management