Nearly two billion people depend on hundreds of millions of smallholder farmers for food security. Yet, these farmers' lives also hang in the balance due to the

Water is critical to all human activities, but access to this crucial resource is increasingly limited by competition and the effects of climate change. In agri

Degradation of soils continues at a pace that will eventually create a local, regional, or even global crisis when diminished soil resources collide with increa

In this book manuscripts presented originally at a World Association of Soil and Water Conservation conference held in 1989 are collected. Topics include basic