Sri Lanka: How Water-Lifting Pumps Changed Farming, According to IWMI

The International Water Management Institute (IWMI) published "Mechanizing water lifting through pumps: a case study in Sri Lanka" (Working Paper 188, 2019, 61 pages; authors include M. M. M. Aheeyar, H. Manthrithilake and J. Barron). Authors listed on CGSpace: Aheeyar, Manthrithilake, Ranasinghe, Rengaraj, Gamagedara and Barron. Based on the CGSpace record:

Why pumps spread: government support (groundwater wells, subsidies and credit for micro-irrigation, tax, tariff and extension policies), high cash-crop profits, and water scarcity or limited canal water.
Benefits reported: larger cultivated area, higher dry-season cropping intensity, a shift from low-return rice to cash crops, higher household incomes, and more farm work, income and decision-making for women.
Concerns: smallholders without capital for wells and pumps may fall behind; uncontrolled extraction puts pressure on shared groundwater, and intensive use of shallow aquifers raises environmental and water-quality risks.
Suggested policy: carefully targeted subsidies and credit for smaller farmers, a regulatory system with well construction standards, and monitoring and enforcement of extraction and water quality limits.

Not verified: the page gives no figures; only the abstract was read, not the full PDF. Current Sri Lankan rules and programs were not checked.

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