Výsledky vyhledávání - "H. A. von Fircks"

Population fluctuations in three contrasting white clover cultivars under cutting, with particular reference to overwintering properties

Autor: B. E. Frankow-Lindberg, H. A. von Fircks

Publikováno v: The Journal of Agricultural Science. 131:143-153

Three white clover cultivars of differing geographical origin, namely AberHerald, Grasslands Huia and Sandra, were grown in binary mixtures with perennial ryegrass (cv. Preference) for a period of 3 years at Uppsala (59° 49′ N, 17° 39′ E) where

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d2c9f26fd7fb1f4e86571e49482c2e8
https://doi.org/10.1017/s0021859698005693

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Relation between moisture content and early growth in stem cuttings of selected fast-growing willow clones

Autor: H. A. von Fircks, L. Sennerby-Forsse, B.F. Telenius

Publikováno v: Biomass and Bioenergy. 4:249-253

Short rotation biomass plantations with Salix spp. are established with stem cuttings prepared from one- to two-year-old dormant coppice shoots. The quality and physiological condition of cuttings are critical for survival and establishment of planta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3412b870bc06974acd95615edeaa6eec
https://doi.org/10.1016/0961-9534(93)90082-f

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Plant Viability as a Function of Temperature Stress (The Richards Function Applied to Data from Freezing Tests of Growing Shoots)

Autor: H. A. von Fircks, Theo Verwijst

Publikováno v: Plant physiology. 103(1)

Frost resistance of growing Salix viminalis L. shoots was determined by rating mortality percentage under two commonly used freezing conditions: a condition in which plants were encased in crushed ice and another in which plants were moistened with t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ac29b373748a75fd73ef91083d48692
https://pubmed.ncbi.nlm.nih.gov/12231919

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Ultrastructure of cells in the cambial region during winter hardening and spring dehardening in Salix dasyclados Wim. grown at two nutrient levels

Autor: L. Sennerby-Forsse, H. A. von Fircks

Publikováno v: Trees. 1:151-163

The ultrastructure of cells in the cambial region of Salix dasyclados Wim. (clone 78056) was studied during the development of winter hardiness and the onset of cambial activity in spring. Plants were grown at relative growth rates (RG) of 8% and 12%

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b09879474841214c44c109ba5960a3c
https://doi.org/10.1007/bf00193558

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