Keeping the land alive soil erosion - its causes and cures
Kelley, Hubert W.
Keeping the land alive soil erosion - its causes and cures Hubert W. Kelley - Rome : FAO, 1983. - viii, 79 p. ill. - FAO soils bulletin 50 .
925101342X
Soil erosion.
Soil conservation.
Keeping the land alive soil erosion - its causes and cures Hubert W. Kelley - Rome : FAO, 1983. - viii, 79 p. ill. - FAO soils bulletin 50 .
925101342X
Soil erosion.
Soil conservation.