Salt balance and leaching requirement in irrigated lands /

Caption title.

Effect of some crop rotations on wireworm populations in irrigated lands /

Includes bibliographical references (p. 19).

Farm drainage in the United States : history, status, and prospects.

"December 1987"--P. i.

Mosquito investigations, Milk River irrigation project, Montana, with particular reference to causes of mosquito production in a long-established irrigated area characterized by flat topography and heavy soils.

Mode of access: Internet.