Micro-biochemical Properties under Saline-sodic conditions
- 1BAIF Development Research Foundation, Uruli Kanchan, Pune 412 202, Maharashtra, India
- 2BAIF Development Research Foundation, Uruli Kanchan, Pune 412 202, Maharashtra, India
- 3Department of Soil Science and Agriculture Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra, India
Res. J. Agriculture & Forestry Sci., Volume 4, Issue (3), Pages 14-17, March,8 (2016)
An investigation was conducted on farmer’s field with an objective to study the “Residual effect of post-biomethanated spent wash on properties of soil solum and yield of Pearl millet” in the jurisdiction of Padmashri Vitthalrao Vikhe Patil Sahakari Sakhar Karkhana, Pravaranagar, Rahata Tahsil, Dist. Ahmednagar with determine the effect of saline-sodicity on the soil micros and their correlations with chemical properties of soil. For this randomly 75 soil samples of depth 0-15 cm were collected from salt-affected soils of Mula command area of Rahuri Tahsil, Dist. Ahmednagar (M.S.) by using GPS technique. The randomly collected soil samples were analyzed for saline-sodicity appraisal parameters viz., pHe, ECe and ESP. On basis of these parameters, soil samples were grouped into low, medium and high saline-sodic soil. Adjacent soil samples from normal cultivated areas of a depth of 0-15 cm were also taken as a normal soil group. The total 28 soil samples from the four soil groups as treatments and seven soil samples from each group as replications were analyzed for microbial population. The results showed that the microbial population viz., bacteria, fungi, actinomycetes, PSB and Azotobacter and soil respiration (CO2 evolution) were found to be decreased with an increasing saline-sodicity. The significant positive correlations were observed in between microbial properties and organic carbon content in soils, whereas, negative correlations with cations like Ca++, Na+, Mg++ and anions like HCO3-, Cl- suggested that any decrease in the microbial activities.
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