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- Croplands 806
- Wheat 118
- Universities and colleges--Faculty 44
- Crop and Soil Science 36
- Potatoes 31
- Bluegrasses 30
- Corn 30
- Alfalfa 27
- Central Oregon Agricultural Research Center 25
- Sprinkler irrigation 25
- Grain 24
- Boersma, L. 23
- Grasses--Seeds 23
- Graminaceae 20
- Soybean 20
- Harvesting machinery 19
- Ryegrasses 17
- Barley 15
- Farmers 14
- Lilies 14