Lal, Rattan.
Tillage systems in the tropics : management options and sustainability implications / by Rattan Lal. - Rome : FAO, 1995. - xviii, 206 p. : ill., maps. - FAO soils bulletin ; 71. .
9251037760
Tillage--Tropics.
Tillage systems in the tropics : management options and sustainability implications / by Rattan Lal. - Rome : FAO, 1995. - xviii, 206 p. : ill., maps. - FAO soils bulletin ; 71. .
9251037760
Tillage--Tropics.