Dryland, Arid & Semi-Arid Farming Systems

Farming where rain is scarce and unreliable demands a different mindset entirely — one built around capturing every drop, hedging against failure, and matching expectations to a landscape that gives little margin for error. Across the world's drylands, where evaporation outpaces rainfall for much of the year, generations of farmers have developed ingenious ways to coax production from harsh conditions. Dryland, Arid & Semi-Arid Farming Systems brings that hard-won expertise together with modern science.

The defining challenge is water — too little of it, falling too erratically. Everything else follows from how a system responds to that constraint. Drought-adapted crops, moisture-conserving tillage, water harvesting, and risk-spreading strategies all serve the same goal: turning an unpredictable resource into a dependable harvest. Within arid and semi-arid agriculture, success is measured less by peak yields in good years and more by avoiding catastrophe in bad ones.

This session draws agronomists, soil and water specialists, and dryland farmers into a shared conversation about resilience under scarcity. The programme moves across moisture conservation, suitable crops and varieties, soil management in fragile arid soils, water harvesting, and the livelihood strategies that help dryland communities absorb shocks. Attention also falls on the rising pressure climate change places on these already-marginal lands, and on the practices that can keep them viable. The aim throughout is realistic: stable, sustainable production in environments where water, not effort, sets the ceiling.