TY - BOOK AU - Malcom, D. C. TI - Frankia symbiosis as a source of nitrogen in forestry: : a case study of symbiotic nitrogen-fixation in a mixed Alnus-Picea plantation in Scotland KW - Alnus rubra KW - Frankeniaceae KW - Nitrógeno KW - Fijación KW - Picea sitchensis KW - Simbiosis N1 - Sobretiro de: The Royal Society of Edingurg 85 B: 263-282, 1985 ER -