منابع مشابه
Importance of crown to root and crown to implant ratios.
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Crown class, an ordinal tree-level mensuration attribute used extensively by foresters, is di#icult to ass ign in thefield because def ini t ions of individual classes are confounded by ambiguous references to the position the tree in the canopy and amount of light received by its crown. When crown class is decomposed into its two elements-crown position and crown light exposure--field assignme...
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Leaf area density is a biologically appealing index of forest tree health because it can provide an assessment of foliage loss or retention; however, it is difficult to measure directly. In contrast, the ratio of crown length to sapwood area (CL:SA) is quite amenable to objective field measurement, and could be interpreted as an index of crown sparseness. CL:SA was computed for Douglas-fir tree...
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G. Guzmán, B.A. Latorre, R. Torres, and W.F. Wilcox. 2007. Relative susceptibility of peach rootstocks to crown gall and Phytophthora root and crown rot in Chile. Cien. Inv. Agr. 34(1):31-40. Crown gall (Agrobacterium tumefaciens) and Phytophthora root and crown rot (PRCR), caused by P. cryptogea, are two major limiting factors affecting peach (Prunus persica) production in Chile. At present, N...
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............................................................................................... 4 Introduction .......................................................................................... 5 Bark Beetle Effects on Forest Structure, Composition and Fuel Bed Characteristics ........................................................ 10 Crown Fire Initiation and Spread .....................
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2020
ISSN: 0007-0610,1476-5373
DOI: 10.1038/s41415-020-2455-0