Weeds, guardians of the soil.
Cocannouer, Joseph A.
Weeds, guardians of the soil. - [1st ed.] - New York, Devin-Adair, 1950. - viii, 179p. illus. 22cm.
agr50000480
Weeds.
Soil conservation.
Organic farming.
SB611 / .C58
Weeds, guardians of the soil. - [1st ed.] - New York, Devin-Adair, 1950. - viii, 179p. illus. 22cm.
agr50000480
Weeds.
Soil conservation.
Organic farming.
SB611 / .C58