TY - BK ED - Proceedings of the Symposium TI - Predicting Tillage Effects on Soil Physical Properties and Processes T2 - ASA Special Publication PY - 1982/// CY - Madison, WI (USA) PB - ASA, KW - Growth rate KW - Soil chemicophysical properties KW - AGROVOC KW - Soil conservation KW - Soil mechanics KW - Tillage KW - Yields ER -