l86.
Howard (1940), p 25. For more detail on mycorrhiza, see Arlene J. Tugel, Ann M. Lewandowski and Deb Happe-vonArb, eds. (2000), Soil Biology Primer, Soil and Water Conservation Society.
Howard (1940), p 25. For more detail on mycorrhiza, see Arlene J. Tugel, Ann M. Lewandowski and Deb Happe-vonArb, eds. (2000), Soil Biology Primer, Soil and Water Conservation Society.