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CHAPTER XI

Subdivision

 

   THE subdivision or paddocking of land is seventh on the Keylinescale of the relative permanence of things agricultural. All the factors alreadyconsidered relate to this seventh factor of the Keyline scale. Climate and land shapes,with their dominating influence, water supply and the uses of water on the farm,farm roads and their relationship to the boundaries of natural shapes of land areas,trees and their great value to agricultural land when located to suit the shapesand form of land, the homestead and permanent farm buildings; all these factors inaggregate have already clearly indicated the pattern of subdivision.

   The main subdivisions on a farming property are usually closelyassociated with the roads. The roads in most instances take precedence over the fenceline, the fences being made to follow the pattern of the farm roads.

   The first main subdivision fences should enclose the large landforms, i.e., the large watershed areas that can be treated and developed as the largercomplete land units. Fences may follow work roads along one or other side of thebreak of the land on a creek and again where there are big changes in land form dueto a changing geological structure. The geological changes are usually along thecentre of the hills or just to one side of the main ridges.

   For subdivision purposes land can be classed in two main divisions:(1) All land that may be travelled by the farm tractor, or, in other words, landthat can be developed mechanically by farm equipment. (2) Land that is too steepor too rocky for any farm equipment. A fence line can divide these two types of countryin any large natural land division.

   On any land form where the conservation of water in farm irrigationdams can play an important part in the general scheme of things, irrigation paddocks,large or small, may be fenced off as island paddocks which take their shape and formonly from the line of the irrigation drain and the land strip below it which is tobe irrigated. These areas have previously been decided upon against the backgroundof climate, land shape and water supply, with some consideration given to the locationof the trees and buildings.

   With the land fenced off into its natural larger divisions,with island paddocks within these boundaries as irrigation areas, subdivision forsmaller paddocks would quite logically be enclosed by fences running from the irrigationarea straight up hill to the high boundary or straight down hill to the lower fence.

   It has been pointed out that the better the development andimprovement of a property the greater will be the number of stock watering pointsnecessary, and, following the location of the paddocks mentioned earlier, the paddockingof any other particular area could largely depend on the most suitable dam for theprovision of water to stock watering points. From the outlet valve beneath the wallof all farm dams, pipelines from I inch to 2 inches diameter may suitably supplystock troughs in a series of paddocks generally stretching across the slope of theland.

   All subdivision paddocks should be located with the continuouspossibility in mind of their further subdivision. The higher the fertility and productivenessof a property, the greater the number of paddocks that will be required to take thegreatest advantage from increasing productiveness.



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