Dudal, R. [from old catalog]
Dark clay soils of tropical and subtropical regions / R. Dudal. - Rome : Food and Agriculture Organization of the United Nations , 1965. - x, 161 p. : ill. maps ; 23 cm.
Includes bibliographical references and index.
unk81056106
S401.U6 / A13 nos. 93
631.4 / FOD
Dark clay soils of tropical and subtropical regions / R. Dudal. - Rome : Food and Agriculture Organization of the United Nations , 1965. - x, 161 p. : ill. maps ; 23 cm.
Includes bibliographical references and index.
unk81056106
S401.U6 / A13 nos. 93
631.4 / FOD