Download Plants and Planting on Landscape Sites: Selection and by Peter Thoday PDF

By Peter Thoday

Panorama architects, layout pros and contractors alike require an exceptional operating wisdom of ways to accomplish plant institution below quite a few stipulations and occasions. Overlooking the physiological wishes of vegetation may end up in power difficulties which can have adverse monetary and layout affects. Plants and Planting on panorama Sites is a realistic publication giving practitioners in panorama layout the basic horticultural wisdom and ideas had to comprehend the boundaries of the cloth they're operating with and make educated decisions.

From specification to supervision, this e-book presents concrete suggestion besides sensible examples for every level of a standard undertaking. It includes sections on: the panorama website; picking out, assessing and buying vegetation; knowing nursery perform; varieties and kinds of transplant traded; seeds and direct seeding; pre-planting website paintings; transplanting; and care within the institution part. particularly commissioned top of the range line diagrams and whole colour pictures are used all through to illustrate that means and provides examples.

Peter Thoday is an skilled advisor, foreign lecturer in panorama administration, and earlier president of The Institute of Horticulture, who has had various roles in high-profile initiatives, resembling Horticultural Director of the Eden undertaking. Written through a professional, this ebook is as a vital software for panorama architects, undertaking managers, contractors and nursery managers.

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Sample text

Most standard specifications are excellent when dealing with quantifiable matters but they require on-the-spot negotiations and often amendments when there are exceptional conditions. For example, the need for irrigation in both quantity and frequency will vary from season to season and year to year. Also, the frequency and methods of weed control required vary depending on soil type and the weed seed bank; neither the latter nor any outbreak of a pest or disease can be foretold – both require on-the-spot decisions.

Craft skill and care are far less easy to quantify, and poor work that can have a great influence on plant establishment and subsequent growth can be hidden as one operation succeeds another. One of the objectives of this book is to consider those matters that cannot be easily resolved through standard specifications. One approach to the specification of horticultural tasks recognizes the reality of the limited time available for on-site supervision. It defines the objectives but leaves the method of achieving them to the contractor within what is usually accepted as ‘good professional practice’, with the work being assessed at appropriate stages.

If the design includes trees the overall bed depth may remain at this figure, but planting pits must be dug within the bed to provide greater local depths, as noted in the Planting on undisturbed grassland section page 118). Both low-grade soil and minimal long-term maintenance indicate the need for a generous root-run because there must be enough root-penetrable substrate to meet the plant’s requirements for water and nutrients. Within limits, such a volume may be either shallow but widespread or confined but deep.

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