TY - BOOK AU - Wild Alan AU - Alan Wild TI - Soils, land and food: managing the land during the twenty first century SN - 0521527597 U1 - 631.4 PY - 2002/// CY - Cambridge PB - Cambridge university press KW - Use of fertilizers KW - acidification KW - Agricultural production KW - food production KW - Land use and degradation KW - soil erosion ER -