Citrus insects and their control,

"Literature cited": p. 133-135.

Citrus propagation /

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.

The chemistry of crop production,

Mode of access: Internet.

Citrus and subtropical fruit research of the United States Department of Agriculture and cooperating agencies.

Caption title.

A test comparing dry ice and mechanical refrigeration in the transportation of frozen citrus concentrate by motortruck (an interim report)

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.

Statistics relating to the citrus industry, 1934.

Mode of access: Internet.

Iowa weather and crop bulletin.

Mode of access: Internet.