Miller, D.D., Domoto, P.A. & Walker, C., 1985. Mycorrhizal fungi at eighteen apple rootstock locations in the United States. New Phytologist 100: 379-391.
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Miller, D.D., Domoto, P.A. & Walker, C., 1985. Colonization and efficacy of different endomycorrhizal fungi with apple seedlings at two phosphorus levels. New Phytologist 100: 393-402.
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