Browsing Extension Service -- Circulars / Extension Circulars by Author "Nielsen, N. I."

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Forage seed crops - 1940 : production and income statistics for Oregon by counties

Oregon State College. Federal Cooperative Extension Service; Thomas, M. D.; Breithaupt, L. R.; Nielsen, N. I. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1941-08)
Production and income statistics for specialty farm products, Oregon - 1939

Oregon State College. Federal Cooperative Extension Service; Thomas, M. D.; Breithaupt, L. R.; Nielsen, N. I. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1940-08)
Small fruits - 1940 : production and income statistics for Oregon by counties

Oregon State College. Federal Cooperative Extension Service; Thomas, M. D.; Breithaupt, L. R.; Nielsen, N. I. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1941-06)
Specialty horticultural crops - 1940 : production and income statistics for Oregon

Oregon State College. Federal Cooperative Extension Service; Thomas, M. D.; Breithaupt, L. R.; Nielsen, N. I. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1941-12)