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Digital Technologies for Assessing Land Use, Crop Mapping and Irrigation in Community Watersheds

, K. V. Raju
Community and Climate Resilience in the Semi-Arid Tropics pp 143-187; doi:10.1007/978-3-030-29918-7_8

Abstract: Land-use analysis, cropping pattern and sources of irrigation are important for planning and improving the rural economic aspects. Geospatial method was adopted for deriving and analysing the land use at micro-level in Kothapally Village covering parts of Adarsha watershed. The village is characterised by a large number of marginal holdings, and the average holding of 0.96 ha. is lesser than that in Telangana state. Kothapally is characterised by agriculture, and the land put to non-agricultural use is 9.31%. Migration to urban areas, selling road side land for commercial purposes and alienated lands not being cultivated by the poor have been found to be the main reasons for fallow lands. Cropping systems comprise of cereals, pulses, fruits, commercial crops, vegetables, flowers and plantations. Over the years’ extent of cereals have remained almost same, with sorghum cultivation almost stopped. Pigeon pea appears to be gaining prominence and area under cotton has doubled. Sugarcane has disappeared. Rainfall is the only source of irrigation in Kothapally. Groundwater is being used for irrigating 109.49 ha. Groundwater withdrawal is on the rise and shallow open wells are becoming unusable. Different types of rainwater harvesting have been adopted. Though interventions have yielded better results, more demand for water has caused more exploitation of groundwater. The village has all the required basic infrastructural facilities, and the wastewater treatment facilities built as part of watershed management interventions are appreciated by the community. Almost all the houses have sanitary facilities and are connected with underground drainage.
Keywords: Land use / Marginal holdings / Cropping pattern / Pigeon pea / Cotton / Sugarcane

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