Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Laurence C. Walker"'
Autor:
Laurence C. Walker
The North American Forests: Geography, Ecology, and Silviculture describes where, why, and how the many kinds of trees found on this continent grow in silvical associations - called forest cover types. Thirteen chapters describe more than 100 forest
Autor:
Laurence C. Walker, Brian P. Oswald
The Southern Forest: Geography, Ecology, and Silviculture examines the forests of the South, providing a comprehensive description of the region from which most of the nation's wood for housing and paper will be grown and harvested in the future. It
Autor:
Douglas Helms, Laurence C. Walker
Publikováno v:
The Journal of Southern History. 59:596
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::916f7ad03e9454c60ae4aef8729230e8
https://doi.org/10.2307/2210078
https://doi.org/10.2307/2210078
Autor:
Laurence C. Walker
Publikováno v:
Soil Science Society of America Journal. 19:233-236
Foliar analysis is useful in indicating soils deficient in K for normal growth of certain conifers. Exchangeable K in Adirondack sand plains of glacial outwash origin was found related to K in foliage of Pinus strobus, Fagus grandifolia, Populus trem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89dd3c48e1d34f541454c328807534d4
https://doi.org/10.2136/sssaj1955.03615995001900020032x
https://doi.org/10.2136/sssaj1955.03615995001900020032x
Autor:
Laurence C. Walker
Publikováno v:
Soil Science Society of America Journal. 26:197-200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8898c0ecbd410f238816c472e06c2b71
https://doi.org/10.2136/sssaj1962.03615995002600020029x
https://doi.org/10.2136/sssaj1962.03615995002600020029x
Autor:
Laurence C. Walker, Ray R. Hicks
The potential contribution of America's forests as an energy resource is discussed. Although wood now supplies slightly over 1% of our annual energy consumption, a considerable increase is possible through intensified forest management. Silage planta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21d5429aba0826f98b778813d93d4434
https://doi.org/10.1016/b978-0-12-454250-1.50044-7
https://doi.org/10.1016/b978-0-12-454250-1.50044-7
Autor:
Laurence C. Walker
Publikováno v:
Journal of Range Management. 12:16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba1c4f099445852bbd840f4e85f41e43
https://doi.org/10.2307/3895210
https://doi.org/10.2307/3895210