Agricultural development : soil, food, people, work /
Kellogg, Charles Edwin. 1902-
Agricultural development : soil, food, people, work / by Charles E. Kellogg. - Madison, Wis : Soil Science Society of America, 1975. - xii, 233 p. ill 24 cm.
0891187634
Agriculture.
Agriculture--Developing countries.
Soil science.
630
Agricultural development : soil, food, people, work / by Charles E. Kellogg. - Madison, Wis : Soil Science Society of America, 1975. - xii, 233 p. ill 24 cm.
0891187634
Agriculture.
Agriculture--Developing countries.
Soil science.
630