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Filtering by: Creator American Mining Congress Creator Oregon State University. Water Resources Research Institute Date Unknown

SR no. 507_199-242_ocr.pdf

Creator:

Boersma, L., National Science Foundation (U.S.). Research Applied to National Needs Program, United States. Office of Water Research and Technology, Oregon State University. Water Resources Research Institute, and Oregon State University. Agricultural Experiment Station

Full Text:

requires 17,600 kcal/kg, the mining and processing of P and K requires 3,200 kcal/kg and 2,200 kcal/kg