Catchment Storage Command Relationship for Sustainable Rainfed Agriculture in the Semi-Arid Regions of Rajasthan, India

Boini Narsimlu (), J. V. N. S. Prasad, A. Amarender Reddy, Gajjala Ravindra Chary, Kodigal A. Gopinath, K. B. Sridhar, J. K. Balyan, Anil K. Kothari and Vinod Kumar Singh
Additional contact information
Boini Narsimlu: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India
J. V. N. S. Prasad: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India
A. Amarender Reddy: ICAR—National Institute of Biotic Stress Management, Raipur 493225, India
Gajjala Ravindra Chary: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India
Kodigal A. Gopinath: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India
K. B. Sridhar: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India
J. K. Balyan: All India Coordinated Research Project for Dryland Agriculture, Arjia, Bhilwara 311001, India
Anil K. Kothari: All India Coordinated Research Project for Dryland Agriculture, Arjia, Bhilwara 311001, India
Vinod Kumar Singh: ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India

Sustainability, 2024, vol. 16, issue 10, 1-21

Abstract: This study conducted to evaluate catchment storage and command relationship and water use strategies under supplemental irrigation for sustainable rainfed agriculture in the semi-arid regions of Rajasthan, India. In southern Rajasthan, a small category of farmers is above 78%, the potential evapotranspiration is greater than the average rainfall with prevailing arid conditions, and rainfed agriculture is a challenging task. An agricultural micro watershed of 2.0 ha evaluated to establish a catchment storage command area (CSC) relationship and micro irrigation system as an effective water use strategy. The significant results indicate that a farm pond with a storage capacity of 560 m 3 with permanent lining (cement + brick) is sufficient to harvest runoff water from a 2.0 ha catchment under the rainfall conditions of below normal (up to 50% deficit), long-term average, and wet years. Harvested rainwater can be used to irrigate a command area of even up to 1.0 ha, with supplemental irrigation of 5 cm in both the seasons of kharif as well as rabi . The two crops, maize ( Zea mays ) in the kharif season and coriander ( Coriandrum sativum ) in the rabi season, were significantly profitable with supplemental irrigation by adopting a drip irrigation system.

Keywords: catchment storage command relation; supplemental irrigation; farm pond; small farmers; crop diversification (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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