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A useful reference resource on gentle panorama specification for pro landscapers. each one subject is written through a number one expert within the box and covers technical information with sensible assistance. Ecological features, choice, procurement, components of planting layout, website coaching, institution and upkeep are all thought of
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Additional info for Plant user specification guide
But is this so? Plants in containers inevitably have access to a relatively small, finite volume of moisture supplying compost. The goal of quality nursery stock growers is to replace that moisture by irrigation before its absence induces severe moisture stress in plants. As a result good quality stock grows quickly and looks leafy and healthy because it has not experienced severe moisture stress. However in the absence of moisture stress episodes, the root : shoot ratio of the plant declines. Rogers and Head (1969) reported that apples grown in irrigated containers had a root : shoot ratio of 1 : 7.
Form of plant production This has a particularly major impact on the root characteristics of trees. Container growing This is seen by most specifiers as a desirable technique because it involves no loss of roots at planting, and therefore should avoid post-planting check. But is this so? Plants in containers inevitably have access to a relatively small, finite volume of moisture supplying compost. The goal of quality nursery stock growers is to replace that moisture by irrigation before its absence induces severe moisture stress in plants.
Hansen, R. & Stahl, F. (1993) Perennials and their Garden Habitats. Cambridge University Press, Cambridge, UK. HTA (1997) National Plant Specification. HTA/JCLI, Reading. 23 Jellito, K. & Schacht, W. (1990) Hardy Herbaceous Perennials. Batsford, London. J. (2000) Genetic introgression from distant provenances reduces fitness in local weed populations. Journal of Applied Ecology. 37, (4), 647–59. J. E. (1984) The number of species of insects associated with British trees. A re-analysis. Journal of Animal Ecology, 53, 455–78.