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Search results for "class periods"

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Viewing 1 - 20 of 25 results by relevance

Alternative Agriculture  (1989)

Microlivestock: Little-Known Small Animals with a Promising Economic Future  (1991)

Saline Agriculture: Salt-Tolerant Plants for Developing Countries  (1990)

Composition of Corn in the United States, 1946-1947  (1953)

Use of Reclaimed Water and Sludge in Food Crop Production  (1996)

(NAS Colloquium) Plants and Population: Is There Time?  (1999)

Lost Crops of the Incas: Little-Known Plants of the Andes with Promise for Worldwide Cultivation  (1989)

Wild and Free-Roaming Horses and Burros: Current Knowledge and Recommended Research.  (1980)

Insect-Pest Management and Control  (1969)

Beef for Tomorrow: Conference Proceedings  (1960)

Pneumatic Dust Control in Grain Elevators: Guidelines for Design Operation and Maintenance  (1982)

Nonhuman Primates: Usage and Availability for Biomedical Programs  (1975)

Cotton Boll Weevil: An Evaluation of USDA Programs : a Report  (1981)

Urea and Other Nonprotein Nitrogen Compounds in Animal Nutrition  (1976)

Control of Plant-Parasitic Nematodes  (1968)

Guidelines for the Investigation of Grain Dust Explosions: Report  (1983)