PART 2
As mentioned in last weeks article, there is a structure that needs to be followed in order to start building a natural turf field. We will go over the first two of the seven segments in this week’s article.
Firstly we need to know the Type of Sport that is to be played on the turf. For example, in football, for this particular sport, players will run, stop, twist, jump and slide during the game. These actions will cause damage to the surface of the field, so a stable and firm surface is required in order to maximize playability.
We use the nine (9) owners requirements that were covered in last weeks article to ensure that the turf field we design adheres to everything that is required of the owner and of the sport being played. Each sport has a diverse set of requirements, boundaries, size, equipment, markings and etc. We need to know the sport or sports that will be played on the field, the frequency of play and if tournaments and seasonal games will be held there.
Having that information allows us to be more efficient in planning and designing the turf field and gives the best end result for the owners, clients and end-users.
Secondly is the Stadium/Surrounding Structures, what we mean by surrounding structures is any structure that can interfere with the sunlight reception factor and air circulation of the pitch. These two factors are imperative to the growth of dense grass, strong root grip, and even the color of the grass.
In most cases the main cause for concern is the structure shade above and around the stadium. It causes low light and inadequate air circulation, due to its position and also the fact that it is enclosed. Other issues could be the surrounding flora such as large trees or tall buildings in close proximity to the turf field which block the light and also the air circulation to the turf field.
The reduced light intensities under shaded conditions limit the carbohydrate reserves and the growth of roots, shoots, rhizomes and stolons. The establishment rate under shaded conditions is seriously inhibited due to the reduced rhizome number, more upright growth habit, decreased tillering and limited carbohydrate reserves.
The stadium structure that encircles a turfgrass area can seriously restrict wind movement. A lack of air movement results in a high temperature and relative humidity stratification, which directly reduces evapotranspiration. This prevents the plant from receiving its nutrients efficiently and prevents the driving force for initial entry of it known as the “transpiration stream”.
We must take these things into consideration when designing the turf field, as a lack of light and air circulation can cause major issues in the consistency, density and colour of the grass in the turf field.
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