TY - BOOK AU - Benn,Karen AU - Benn,Karen AU - Blackwell,Stephen AU - Crisara,Josie TI - Sustainable agriculture: protecting our heartland : a biology focus SN - 0949044466 U1 - 631 PY - 1990///?] CY - [S.l.] PB - STAV KW - Agricultural pests KW - Australia KW - Agriculture KW - Environmental aspects KW - Land capability for agriculture KW - Sustainable agriculture KW - Water in agriculture ER -