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pro vyhledávání: '"D. F. Thran"'
Autor:
D. F. Thran, R. L. Everett
Publikováno v:
Tree physiology. 10(1)
Nutrient retranslocation from existing foliage of singleleaf pinyon pine (Pinus monophylla Torr. & Frem.) did not meet the nutrient demands of new needles on the same branch. Singleleaf pinyon pines, with an average age of 177 years, located at an el
Autor:
D. F. Thran, R. L. Everett
Publikováno v:
Soil Science Society of America Journal. 51:462
Fuelwood harvesting and chipping operations have increased over the last decade in the singleleaf pinyon (Pinus monophylla Torr. and Frem.) forests of the Great Basin. Surface samples of mineral soil were taken in harvested and unharvested areas at s