TY - BOOK TI - The state of the world's land and water resources for food and agric ulture: managing systems at risk SN - 9781849713276 (pbk.) U1 - 338.16 23 PY - 2011/// CY - Milton Park, Abingdon, New York, NY PB - Earthscan KW - Agricultural productivity KW - Water-supply KW - Agricultural ecology KW - Crops and climate ER -