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- Croplands 848
- Wheat 123
- Universities and colleges--Faculty 45
- Crop and Soil Science 37
- Corn 35
- Potatoes 31
- Alfalfa 30
- Bluegrasses 30
- Central Oregon Agricultural Research Center 25
- Sprinkler irrigation 25
- Grain 24
- Boersma, L. 23
- Grasses--Seeds 23
- Graminaceae 20
- Soybean 20
- Harvesting machinery 19
- Barley 17
- Hay 17
- Ryegrasses 17
- Farmers 14
