In the hot arid zonesArid zone of India, where water scarcityWater scarcity and soil degradationSoil degradation pose severe threats to agricultural viability, the sustainable managementSustainable management of soil and water emerges as a cornerstone for preserving long-term productivity and fostering resilient farming systems. These fundamental resources, often pushed to their limits by erratic rainfall, high evapotranspirationEvapotranspiration, and intense human pressures, demand innovative and integrated approaches to counteract desertificationDesertification and ensure food securityFood security for millions. This chapter delves into a suite of proven technological interventions designed to optimize resource utilization. Central to these are rainwater harvestingRainwater harvesting techniques, such as the construction of tankasTanka (underground cisterns), nadisNadis (small ponds), and khadinsKhadin (traditional earthen reservoirs), which efficiently capture and store sporadic runoff, thereby enabling droughtDrought-proofing and supplemental irrigation during prolonged dry spells. Complementing these, precision irrigation methods like sprinkler and drip systems deliver water directly to plant roots, minimizing evaporation losses and achieving superior water use efficiencyWater use efficiency tailored to the region’s undulating topography and sandy soilsSandy soil. Protective agricultureProtective agriculture, encompassing greenhouse and polyhouse cultivation, shields high-value crops—such as off-season vegetables and flowers—from harsh climatic extremes, while recycling harvested rainwater to create self-sustaining micro-environments. Furthermore, the promotion of perennial crops, multipurpose trees, and shrubs integrates agroforestryAgroforestry principles, enhancing soil fertilitySoil fertility through nitrogen fixationNitrogen fixation and organic matterOrganic matter accumulation, bolstering livelihoodsLivelihoods via diversified income streams, and contributing to climate changeClimate change mitigation by sequestering carbon and stabilizing microclimates. Conservation tillageConservation tillage practices, coupled with crop residueCrop residue retention and microbial culture inoculation (e.g., Rhizobium and Azospirillum), elevate crop yields in rainfed systems by conserving soil moistureSoil moisture, suppressing erosion, and augmenting nutrient cycling. Drawing on over five decades of empirical research from the Central Arid ZoneArid zone Research Institute (CAZRI), this chapter synthesizes these strategies, evaluates their socioeconomic and environmental impacts, and proposes forward-looking policy recommendations. These include strengthened institutional frameworks for watershed managementWatershed management, incentives for adopting climate-resilient technologies, and expanded investment in research for saline water utilization and heat-tolerant varieties. By weaving together these elements, the chapter underscores the imperative for holistic, participatory resource governance to transform arid landscapes into productive oases, securing sustainable developmentSustainable development amid escalating global challenges.

Natural Resources Management for Sustaining Productivity of Hot Arid Zone of India

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发表日期：

2026年

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R. K. Goyal,
Mahesh K. Gaur

摘要

In the hot arid zonesArid zone of India, where water scarcityWater scarcity and soil degradationSoil degradation pose severe threats to agricultural viability, the sustainable managementSustainable management of soil and water emerges as a cornerstone for preserving long-term productivity and fostering resilient farming systems. These fundamental resources, often pushed to their limits by erratic rainfall, high evapotranspirationEvapotranspiration, and intense human pressures, demand innovative and integrated approaches to counteract desertificationDesertification and ensure food securityFood security for millions. This chapter delves into a suite of proven technological interventions designed to optimize resource utilization. Central to these are rainwater harvestingRainwater harvesting techniques, such as the construction of tankasTanka (underground cisterns), nadisNadis (small ponds), and khadinsKhadin (traditional earthen reservoirs), which efficiently capture and store sporadic runoff, thereby enabling droughtDrought-proofing and supplemental irrigation during prolonged dry spells. Complementing these, precision irrigation methods like sprinkler and drip systems deliver water directly to plant roots, minimizing evaporation losses and achieving superior water use efficiencyWater use efficiency tailored to the region’s undulating topography and sandy soilsSandy soil. Protective agricultureProtective agriculture, encompassing greenhouse and polyhouse cultivation, shields high-value crops—such as off-season vegetables and flowers—from harsh climatic extremes, while recycling harvested rainwater to create self-sustaining micro-environments. Furthermore, the promotion of perennial crops, multipurpose trees, and shrubs integrates agroforestryAgroforestry principles, enhancing soil fertilitySoil fertility through nitrogen fixationNitrogen fixation and organic matterOrganic matter accumulation, bolstering livelihoodsLivelihoods via diversified income streams, and contributing to climate changeClimate change mitigation by sequestering carbon and stabilizing microclimates. Conservation tillageConservation tillage practices, coupled with crop residueCrop residue retention and microbial culture inoculation (e.g., Rhizobium and Azospirillum), elevate crop yields in rainfed systems by conserving soil moistureSoil moisture, suppressing erosion, and augmenting nutrient cycling. Drawing on over five decades of empirical research from the Central Arid ZoneArid zone Research Institute (CAZRI), this chapter synthesizes these strategies, evaluates their socioeconomic and environmental impacts, and proposes forward-looking policy recommendations. These include strengthened institutional frameworks for watershed managementWatershed management, incentives for adopting climate-resilient technologies, and expanded investment in research for saline water utilization and heat-tolerant varieties. By weaving together these elements, the chapter underscores the imperative for holistic, participatory resource governance to transform arid landscapes into productive oases, securing sustainable developmentSustainable development amid escalating global challenges.