Electrical instruments for determining the moisture temperature, and soluble salt content of soils
Briggs, L.J.
Electrical instruments for determining the moisture temperature, and soluble salt content of soils - Washington 1899 - 1-35 p. - Electrical, Instruments, Moisture Unites States Department of Agricultuture,Division of soils. Bulletin No. 15 .
Electrical instruments for determining the moisture temperature, and soluble salt content of soils - Washington 1899 - 1-35 p. - Electrical, Instruments, Moisture Unites States Department of Agricultuture,Division of soils. Bulletin No. 15 .