Walkover Observational Survey

This is useful technique for the recording of plants and mammals. It can help to determine habitats and also the boundaries of vegetation. This is a very simple and easy way to collect data quickly and would form the commonest technique used for general surveys. Advantages include: • Provides an initial baseline estimate of the subject matter. • This can be repeated on a frequent basis to monitor significant changes. • Complete record sheets on the move. • Cheap; only a notebook needed. Disadvantages include: • Not an accurate representation of subject matte

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  Washboarding

A corrugated wave like appearance to a turf surface caused by continually mowing in the same direction. This occurs with the use of a cylinder mower. It might also be referred to as ‘corrugating'.

  Water Dispersible Granule

A material, typically a fertiliser or pesticide, which is formulated as a granule. When it is added to and diluted in water the granule will break apart and become evenly dispersed within the water, especially following agitation, allowing for a solution which is a fine particle suspension that can be readily applied to a plant and sward. These granules are easy to store, handle and mix in with water and are mainly dust free.

  Web Numbering

The early and commonly heard numbers of Web 1.0, Web 2.0 and Web 3.0 are generally fairly widely accepted, although anything higher is arguably more made-up and used for envisioning a concept, which may or may not deliver a tangible outcome. Some realistic and probably not so realistic possibilities are given in this article. Let's start with Web 1.0, which was the original passive web which started it all off and allowed for the display and operation of hypertext links. The World Wide Web (WWW) was invented by Tim Berners Lee in 1989 and who led the development of HTML. This kick started t

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  Wetting Agent [1]

A material that originally used to refer to materials that reduced the surface tension of water, helping to reduce the water-repellent nature of some soils, for example, as occurs in Localised Dry Spot, or Dry Patch.

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  Wetting Agent Polymers

These are used to help a soil profile retain water by attracting water molecules onto soil particles, subsequently reducing soil water repellency.

  Wilting Coefficient

The percentage of water content of a soil where a plant will not recover from the lack of available water unless additional water is added to the soil to aid recovery: At this stage a plant will be at wilting point because the soil cannot supply any water, which is held at about -15 bar, to the plant. If additional water is not supplied to the soil, or if the plant cannot become effectively dormant for a period until adequate water is available, then permanent wilting point will be reached and no matter how much additional water is then added to the soil, the plants imminent death is certain.

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