TY - BK AU - Hargrove,W.L. ED - Symposium Divisions S-4, S-6, S-8, C-3 and A-6 of the Soil Science Society of America, Crop Science Society of America and the American Society of Agronomy TI - Cropping strategies for efficient use of water and nitrogen T2 - ASA Special Publication SN - 0-89118-097-4 PY - 1990/// CY - Madison, WI (USA) PB - ASA, KW - Cropping systems KW - AGROVOC KW - Environmental factors KW - Nitrogen KW - Water KW - Crop residues KW - Rotational - KW - Término tomado de AGROVOC ER -