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20222
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Subject: Soil Science and Water Management ×

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Now showing 1 - 2 of 2
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    ThesisItemOpen Access
    Characterization of Ground Water Quality and its Effect on Soil Properties of Sindhari and Siwana tehsils of Barmer district of Rajasthan
    (College of Agriculture, Swami Keshwanand Rajasthan Agricultural University, 2022) DINESH SHARMA; Ranjeet Singh
    Agriculture plays a vital role in the Indian economy. Over 70 per cent of the rural households depend on agriculture. Agriculture is an important sector of Indian economy as it contributes about 17 per cent to the total GDP and provides employment to over 60 per cent of the population. Rajasthan is also an agrarian state, where seventy per cent of the total population resides in rural area and largely dependent on agriculture as the source of their livelihood. Agriculture is regularly backbone of state ’ s economy. Around 22.5 per cent of state’s GDP comes from agriculture. Rajasthan has cultivated area of almost 20 million hectares but due to some unavoidable circumstances only 20 per cent of the total cultivated area is irrigated (Sharma and Basotia, 2018). The climate of Rajasthan varies from dry to sub-humid monsoon type. low rainfall, hot scorching Loo and sand storms are the climatic characteristics of western Rajasthan whereas, comparatively low range of temperature and slightly higher rainfall are the characteristics of sub- humid climate to the east of the Aravallis.
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    ThesisItemOpen Access
    Appraisal of Salinity, Sodicity and Fertility Indices of Soils in relation to Irrigation Water Quality in North- Western part of Pali district of Rajasthan
    (Swami Keshwanand Rajasthan Agricultural University, Bikaner (Raj.), 2022) KAMLESH CHOUDHARY; Yogesh Sharma
    Appraisal of underground water in a set of situation requires assessment of underground water quantity and quality. Proper assessment of underground water in association with other water resources would be necessary for proper planning and management of this renewable natural resource. The need to optimize water use in agriculture has led to widespread use of mathematical tools to predict the long-term impact of water quality on soil properties and productivity. Numerical models of water and solute transport could be effective to study the possible salinization or desalinization and underground water contamination patterns as influenced by irrigation and drainage practices. These models require estimates of field variables like hydraulic conductivity, specific yield, dispersivity, moisture characteristics as well as irrigation and drainage system parameters as inputs