TY - BOOK AU - Rees, R M AU - Ball, B C AU - Campbell, C D TI - Sustainalble of soil organic matter SN - 0851994652 U1 - 631.41 22 PY - 2001/// CY - Wallingford PB - CAB Pub. KW - Soil science KW - Organic N1 - Includes index ER -