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pro vyhledávání: '"R F, Walker"'
Autor:
R F Walker
Publikováno v:
Biochemistry (Moscow). 82:1462-1479
Based upon evolvability theory, phenotypes like aging that offer no apparent individual benefit may evolve nonetheless. Pursuant to that concept, the evolution of a hypothetical, genome-based aging program called phenoptosis was proposed. However, wh
Publikováno v:
Journal of Sustainable Forestry. 20:65-70
ROTATION2 is a computer program designed to simplify the calculation of optimal rotations for even-aged stands based on seven criteria and to facilitate comparisons among outcomes. Mean annual incr...
Autor:
R. F. Walker, D. C. West
Publikováno v:
Journal of Sustainable Forestry. 20:83-104
Actinorhizal nodulation of European alder (Alnus glutinosa[L.] Gaertn.) as influenced by substrate fertility was assessed for its effects on seedling growth and physiology. After a brief period in seed flats, seedlings were transplanted to a mine soi
Publikováno v:
Water, Air, & Soil Pollution: Focus. 4:263-275
Publikováno v:
Journal of Sustainable Forestry. 17:55-80
Pisolithus tinctorius(Pers.) Coker & Couch was evaluated as an ectomycorrhizal associate of sweet birch (Betula lentaL.). Sand culture and mine soil growth media were employed, and three fertilization treatments were imposed by application of differi
Autor:
R. F. Walker
Publikováno v:
Journal of Anti-Aging Medicine. 5:243-246
Autor:
R. F. Walker
Publikováno v:
Journal of Sustainable Forestry. 15:29-55
Composted organic matter, controlled release fertilizer, and dolomitic lime soil amendments were evaluated for their effectiveness in facilitating the reforestation of an acidic, semiarid Sierra Nevada surface mine with bareroot Jeffrey pine (Pinus j
Autor:
R. F. Walker
Publikováno v:
Journal of Sustainable Forestry. 15:1-27
A three-year study was initiated to evaluate the effectiveness of fertilization at outplanting with two controlled release nutrient amendments, High N 22-4-6 + Minors and Gromax 21-6-2 + Minors, and minisite application of dolomitic lime in enhancing