A soils study for the Maryland-National Capital Park and Planning Commission; recommendations and evaluations of soils information for urban planning.

Cover title.

On the behavior of nitrate in paddy soils.

Reprint from Japan. Agric. exper. station, Tokyo. Bulletin. v. 1, no. 2, Oct. 1907

Soils memorandum.

Some are revised editions.

McLean County soils /

Cover title.

Winnebago County soils /

Cover title.

Edgar County soils /

Cover title.

Du Page County soils /

Cover title.

Soils of the north central region of the United States. : Agricultural Experiment Stations of Illinois [and others] and the U. S. Dept. of Agriculture, cooperating.

Bibliography: p. 189-192

Soils book;

Mode of access: Internet.

Possibilities of shelterbelt planting in the plains region. A study of tree planting for protective and ameliorative purposes as recently begun in the shelterbelt zone of North and South Dakota, Nebraska, Kansas, Oklahoma, and Texas by the Forest service; together with information as to climate, soils, and other conditions affecting land use and tree growth in the region.

On cover: Issued under special allotment to the Plains shelterbelt project, U.S. Forest service.

Soils of Michigan /

"Issued in December 1940, as Circular bulletin 176 of the Michigan Agricultural Experiment Station, re-issued in June 1948, as Extension bulleten 290 of the Michigan State College Extension Service."

Field operations of the Bureau of Soils /

Report for each year issued in two volumes: text, and portfolio.

Principles and practice of agricultural analysis; a manual for the study of soils, fertilizers, and agricultural products; for the use of analysists, teachers, and students of agricultural chemistry.

v. 1. Soils. -v. 2. Fertilizers and insecticides. -v.3. Agricultural products.

Soils and men.

Folded col. map attached to back cover.

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.