Wheat variety and date of planting test
Jackson, Ernest B., Dennis, Robert E., Howell, Donald R.
Wheat variety and date of planting test - Tucson 1914 - 1-4 p. - Wheat, Variety Arizona Cooperative Extension Services. Q-255 .
Wheat variety and date of planting test - Tucson 1914 - 1-4 p. - Wheat, Variety Arizona Cooperative Extension Services. Q-255 .