共 16 条
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- [3] HOEDEMAKER E, 1974, Great Plains Agricultural Council Publication, V68, P214
- [8] ROSENBAUM MS, 1983, PEDIATRICS, V71, P359
- [9] Timmer V. R., 1984, Forest soils and treatment impacts. Proceedings, Sixth North American Forest Soils Conference, University of Tennessee, Knoxville, June 1983, P335