Relation of the depth to which the soil is wet at seeding time to the yield of s
Cole, J.S., Mathews, O.R.
Relation of the depth to which the soil is wet at seeding time to the yield of s - Washington 1940 - 1-19 p. - United States Department of A .
Relation of the depth to which the soil is wet at seeding time to the yield of s - Washington 1940 - 1-19 p. - United States Department of A .