Your soil, crumbly or cloddy?
O'Neal, A. M. 1881-
Your soil, crumbly or cloddy? [By A.M. O'Neal and A. . Klingebiel. - Washington, U.S. Govt. Print. Off., 1952]. - 8 p. illus. 26 cm. - (U.S. Dept. of Agriculture. Leaflet no. 328.) .
agr52000537
Soils--Aggregation.
Soil physics.
S21 / .A483 no. 328
Your soil, crumbly or cloddy? [By A.M. O'Neal and A. . Klingebiel. - Washington, U.S. Govt. Print. Off., 1952]. - 8 p. illus. 26 cm. - (U.S. Dept. of Agriculture. Leaflet no. 328.) .
agr52000537
Soils--Aggregation.
Soil physics.
S21 / .A483 no. 328