Jamison, V. C.

Soil and water research on a claypan soil; a compilation of results of research conducted et Midwest Claypan Experiment Farm... - Washington : Government Printing Office, 1968 - 111 p : ilus - USDA. Agricultural Research Service. Technical Bulletin ; 1379 . - USDA. Agricultural Research Service. Technical Bulletin ; 1379 .

16767


Suelos arcillosos.
Suelos--Humedad.

631.47 / J3