Approved practices in soil conservation /
Bosworth, Duane A.
Approved practices in soil conservation / by Duane A. Bosworth and Albert B. Foster. - 5th edition. - Danville, Illinois : Interstate, 1982. - xviii, 470 pages : illustrations ; 22 cm.
Soil conservation.
Approved practices in soil conservation / by Duane A. Bosworth and Albert B. Foster. - 5th edition. - Danville, Illinois : Interstate, 1982. - xviii, 470 pages : illustrations ; 22 cm.
Soil conservation.