Schwarz, Meyer; Wakabayashi, N.; Thing, Eric G.; Schwarz, Meyer; Agricultural Environmental Quality, Institute, Agricultural Research Science and Education Administration U.S, Dept. of Agriculture; Wakabayashi, N.; Agricultural Environmental Quality, Institute, Agricultural Research Science and Education Administration U.S, Dept. of Agriculture; Thing, Eric G.; Agricultural Environmental Quality, Institute, Agricultural Research Science and Education Administration U.S, Dept. of Agriculture