Approved practices in soil conseervation
Bosworth, Duane A., Foster, Albert B.
Approved practices in soil conseervation by Duane A. Bosworth and Albert B. Foster - 5th edn. - Illinois Interstat 1982 - 470 p.
0813421705
Soil Erosion
Soil Conservation
631.459:631.61 / B 747 A
Approved practices in soil conseervation by Duane A. Bosworth and Albert B. Foster - 5th edn. - Illinois Interstat 1982 - 470 p.
0813421705
Soil Erosion
Soil Conservation
631.459:631.61 / B 747 A