The rhizosphore and plant growth : information, program, and abstract : May 8-11, 1989 Beltsville Agricultural Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsvill...
[Beltsville, Md.?, s.n.], 1989
1989
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
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