National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The present study was conducted at Hill Agricultural Research and Extension centre, Kullu, in mid-hill sub-humid zone of Himachal Pradesh in order to investigate the effect of organic, inorganic and integrated nutrient management practices on soil microbial properties. The microbial count was found maximum (6.5 X 105 cfu/ml) in organic plot and minimum (2.6 X 105 cfu/ml) in inorganic. The maximum (50.8X104 cell/g) actinomycetes count was also recorded in soil under organic nutrient management practice where as it was minimum (26.00X 104 cell/g) under inorganic treatment. The fungal count was maximum (4.6X 103 cfu/ml) soil treated with organic mannure and minimum (3.6 X103 cfu/ml) in soil treated with inorganic fertilizers. The maximum (4.2 μg g-1hr-1) dehydrogenase activity was also observed in the organic treatment. The phosphatase activity of the soil in organic treatment was recorded maximum (3.5 μg TPF g-1 hr-1) in integrated treatment and minimum (1.7 μg TPF g-1hr-1) in inorganic treatment. The microbial respiration and microbial biomass carbon was observed maximum in organic application, followed by integrated and then inorganic.
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