1. Dep. of Crop & Soil Sciences Washington State Univ. Pullman WA 99164 USA
2. Dep. of Crop & Soil Sciences Washington State Univ. Puyallup WA 98371 USA
3. Energy and Environment Directorate Pacific Northwest National Lab. Richland WA 99352 USA
4. Dep. of Civil & Environmental Engineering Washington State Univ. Pullman WA 99164 USA
5. Physical and Computational Sciences Directorate Pacific Northwest National Lab. Richland WA 99352 USA