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Wednesday, June 26, 2013

Variable Rate Fertilizer Spreader And Their Functions

By Allyson Whitley


A variable rate fertilizer spreader is an equipment that allows for the application of manure at different locations at differing rates by crop producers. Other than the VR fertilizer spreader, the equipment is also performed with the help of other things such as GPS, controllers and other related gadgets that are suitable for the job. The type of manure to be used and the specific method of application can greatly affect the equipment needed.

There are several advantages to using a VR fertilizer spreader. One major advantage is the cost efficiency it provides on compost. Another is the consistent growth pattern that is clearly visible in the field. Lastly, field spreads may be downloaded and compared with the use of Google maps. Standard fertilizer spreaders may be upgraded to the newest technology currently developed.

A georeferenced field zone map can help locate specific locations and their compost rate. A vehicle mounted GPS unit is included in the system, which allows the computer to change the rate of application between zones. The compost rate across the field is a result of the electronic communication between the controller and the in cab computer.

Starting things off, hiring a commercial fertilizer applicator that is equipped with VR fertilization technology is probably the best way. A fee for VR application may be added by commercial applicators. The total cost, however, for small acreages will likely be less than the purchasing equipment.

Producers can retro fit granular fertilizer spreaders. An alternative is anhydrous ammonia applicators so that VR fertilization can begin. Adding a VR electric motor will allow for the variation of the speed of the conveyor belt. The anhydrous ammonia applicator may be modified for it to accomplish VR fertilization and this usually involves the applicator being added with a heat exchanger so as to maintain the liquid form of the anhydrous ammonia.

One piece of equipment that is being heavily relied on are GPS units. They are used to maintain constant positions. Signals referring to specific changes in regards to equipment transferring from a one field management zone to another is done by the in cab computer.

The computer is a central component normally mounted on the vehicle cab. Several functions are performed by the computer, one of which is the operation of software programs allowing for the display of the fertilization application map.

Another is to record the GPS signal for the recognition of the vehicle real time position on the map. It also communicates signals for the purpose of the altering certain data to the controller. It also monitors vehicle speed and records the fertilization application map.

It is most unfortunate that many of the older electronic monitors are incapable of upgrading. This requires producers to purchase newer controllers if they are ever interested in having variable rate fertilizer spreaders of their own. A few functions are vital in choosing a new controller and that includes the ability to control and vary various products simultaneously and quite a few others.




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