Potential effects of irrigation practices on crop yields in Grand Valley /

Mode of access: Internet.

Weekly news letter to crop correspondents.

First two numbers were mimeographed.

Crop reporter.

Crop reporter.

Sequence in layered rocks; a study of features and structures useful for determining top and bottom order of succession in bedded and tabular rock bodies

Mode of access: Internet.

Land availability, crop production, and fertilizer requirements in the United States /

Prepared for U. S. Environmental Protection Agency. Office of Solid Waste Management Programs.

Sulfuric acid rain effects on crop yield and foliar injury /

Mode of access: Internet.

Biofuels impact on crop and food prices : using an interactive spreadsheet /

Mode of access: Internet.

Wood as a crop in Illinois.

Issued originally as Forestry circular no. 4.

High-extraction coal mining in Illinois : effects on crop production, 1985-1987 /

"IMSRP-IV."

Art and life and Seed, soil, tillage and crop,

Mode of access: Internet.

Accumulation and cycling of organic matter and chemical constituents during early vegetational succession on a radioactive waste disposal area /

Includes bibliography.

The chemistry of crop production,

Mode of access: Internet.

Solar Crop Drying Conference, June 30, 1977, Weaver Laboratories, North Carolina State University at Raleigh : proceedings /

"Work performed under contract no. EX-76-A-29-1021."

Changes in feed crop acreages--14 states, a study of the acreage of hay and other feed crops as they have been affected by the drouths of the thirties, the recent government programs, and changes in livestock numbers,

Processed.

Iowa weather and crop bulletin.

Mode of access: Internet.