Subject
- Soil moisture17
- Plants, Effect of soil moisture on6
- Soil moisture -- Measurement6
- Soil temperature4
- Soil moisture -- Oregon3
- Hydrophobic surfaces2
- Soil matric potential2
- Soils -- Oregon -- Willamette River Valley2
- Wheat2
- Beans -- Water requirements1
- Bearing capacity1
- Big sagebrush -- Oregon -- Island, The (Jefferson County)1
- Burning of land -- Siskiyou Mountains (Calif. and Or.)1
- Capillarity1
- Corn -- Water requirements1
- Cover crops -- Oregon -- Willamette River Valley -- Residues1
- Digital elevation models -- Oregon -- Panther Creek Watershed1
- Douglas fir -- Effect of forest management on -- Cascade Range1
- Douglas fir -- Roots1
- Douglas fir -- Seedlings, Container1