RT null T1 Desertification Control Bulletin Number 23, 1993: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation A1 United Nations Environment Programme, K1 desertification K1 environmental degradation K1 land degradation K1 ecosystem K1 drought K1 reforestation K1 soil conservation K1 arid zone K1 ecological research K1 farm K1 sustainable development SN 0379-455 YR 1993 FD 1993 LK https://wedocs.unep.org/handle/20.500.11822/29113 UL https://wedocs.unep.org/handle/20.500.11822/29113 NO In this issue: Inter-Governmental Negotiating Committee for the Convention on combatting desertification; Agricultural Su'tainability and Soil Resilience; Salt-Affected Soils as the Ecoystein for Halophytes; Spatial Scales and Desenitication; Map of Human Induced Land Degradation inthe Aral Sea Basin; Ground Radiometry for Measuring Healthy and Stressed Vegetation in a Simulated Arid Environment; Regional Development and Desertificalion Control throughEcological Farming - Three Examples in Argentina; Sustainable Development in Wadi Allagi in Egypt; Dcsertjiication in Northern Ghana. DS UN Environment Document Repository RD Sep 17, 2026