ASSESSMENT OF SOIL FERTILITY STATUS IN SELECTED VILLAGES UNDER JALYUKT SHIVAR IN NAGPUR DISTRICT.
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Date
2019-08-01
Authors
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Publisher
Dr. Punjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra.
Abstract
The soil of selected villages Shemda, Umtha and Dhurkheda were clayey in texture, having bulk density varied from 1.23 to 1.57 Mg m-3 and hydraulic conductivity of soils varies from 0.70 to 1.30 cm hr-1. The soils of study area were neutral to slightly alkaline in reaction with no salinity hazards. The organic carbon content in these soils showed low to moderately high in category (0.20 to 0.79 %). The CaCO3 content categorized under slightly to moderately calcareous in nature which ranges from 1.00 to 5.37 per cent.
The soil of Shemda, Umtha and Dhurkheda villages were observed low to medium in category for available nitrogen (107.8 to 347.6 kg ha-1), medium to high in category for available phosphorous (13.0 to 35.6 kg ha-1), high to very high for available potassium (254.0 to 394.0 kg ha-1)and low to medium for available sulphur (6.65 to 20.0 mg kg-1). The soils of study area is low to medium in category for DTPA-extractable iron (2.11 to 9.00 mg kg-1), medium to high for copper (0.18 to 1.72 mg kg-1) and manganese (4.02 to 8.46 mg kg-1) as per three tier system and moderately high to high in category as per six tier system. The DTPA-extractable zinc was low to high in category as per three tier system and very low to moderate in category as per six tier system of nutrient availability (0.20 to 1.86 mg kg-1).
Correlation study revealed that, the yield is positively and significantly correlated with organic carbon (r= 0.545**), hydraulic conductivity (r= 0.521**) and available macronutrients like nitrogen (r= 0.539**), phosphorous (r= 0.501**), potassium (r= 0.289**) and sulphur (r= 0.316**). It also shows positive and significant correlation with DTPA-extractable micronutrients like iron (r= 0.354**), copper (r= 0.423**), manganese (r= 0.451**) and zinc (r= 0.460**). The increase in organic carbon leads to increase in N, P, K and S. The data on various parameters were categorized into low to high as per three tier system and very low to very high as per six tier system based on soil fertility index and fertility classes.
Description
The soil samples were collected from Shemda, Umtha and Dhurkheda villages of Nagpur district to evaluate the fertility status of soils and after analysis the result werefound that the soil was clayey in texture and had a good physical condition, neutral to alkaline in reaction with no salinity hazard. The macronutrients as well as micronutrients are present in moderate to high range except organic carbon and available nitrogen. The crop yield exhibited significant and positive correlation with OC, N, P, K, S, Fe and Zn. By using this data the recommendation of fertilizer doses should be done.
Keywords
Soil Science and Microbiology, Soil Sciences, Soil Fertility.
Citation
THOMBE, KU. SWATI VITTHALRAO. (2019). Assessment of soil fertility status in selected villages under Jalyukt shivar in Nagpur district. Department of soil science and agricultural chemistry, Nagpur. Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. M. Sc. 2019. Print. xii, 94p. (unpublished).