Détail de l'auteur
Documents disponibles écrits par cet auteur (10)
Ajouter le résultat dans votre panier Faire une suggestion Affiner la recherche Interroger des sources externes
rapport
G. Kerr ; C. Harper | Farnham, GBR : Forestry Commission - Arboricultural advisory and information service | Arboriculture research and information note, n° 126-94-ARB | 1994Specifications for planting stock quality are described in British Standard 3936. This relies on minimum height:stem diameter ratios of bare-rooted stock including a general description of desirable root sysytems and the external condition of a [...]
rapport
G. Kerr ; C. Harper | Farnham, GBR : Forestry Commission - Arboricultural advisory and information service | Arboriculture research and information note, n° 125-94-ARB | 1994Cold storage of dormant nursery stock can help nurserymen by concentrating lifting into a relatively brief period of time, freeing the ground for other operations and storing batches of plants so they are easy to dispatch. Early results from rec[...]
article/chapitre/communication
G. Kerr | 1994
article/chapitre/communication
ouvrage
ouvrage
article/chapitre/communication
article/chapitre/communication
article/chapitre/communication
G. Kerr | 1996
article/chapitre/communication
G. Kerr | 1999
