Rtk Gps
Precision Farming Is A Very Important Term Among Agricultural Engineers by Karl VCohen
People involved in the cultivation of rice (cultivo arroz) and other crops be it agricultural engineers, farm managers and all the interested players among them the precision farming is very important. Management and study of all variables down to the smallest measurement level possible is essentially the core of precision farming. Instead of studying yields, sowing, chemical applications etc at the hectare acre or farm level, precision farming attempts to monitor the variables down to the square foot or meter. A new agricultural concept on which this science depends is known as “In Field variability.”
At the heart of precision farming application lies an application which is a commitment to a higher level of management intensity. With the purchase of your first GPS unit or yield monitor , or overnight precision farming does not happen . With considered professionals often competing against inflexible customs or cultural practices precision farming takes place over a time period. In the field testing new products experts in this field like Agricultura Cientifica SA have spent these years and weeded out what works and what does not.
Geographic Information Systems (GIS) and Global Positioning System (GPS) are two technologies that will have the greatest impact on agriculture in the next decade. A huge variety of sensors, monitors and controllers for agricultural equipment such as shaft monitors, pressure transducers and servo motors have appeared along with GIS and GPS. Together they will enable farmers to use electronic guidance aids to direct equipment movements more accurately, provide precise positioning for all equipment actions and chemical applications and, analyze all of that data in association with other sources of data (agronomic, climatic, etc). Consisting of management tools the progressive farm manager this will add up to a new and powerful toolbox.
Being tested on only one or the other precision farming should not be thought of as only yield mapping and variable rate fertilizer application. Affecting the entire production function of the farm precision farming technologies work. Management needs to adapt to these new and improved techniques
To more accurately predict crop yields in sum collected information may be used to more precisely evaluate optimum sowing density, estimate fertilizers and other inputs needs. It seeks to avoid applying inflexible practices to a crop, regardless of local soil/climate conditions, and may help to better assess local situations of disease or lodging. Farmers gain some other important benefits such as the farmer may be to help establish a history of his/her farm practices and results along with assisting in decision making and traceability requirements (as increasingly required in developed countries).
Satellites allow farmers to easily survey their land.[2] Global Positioning System (GPS) receivers can provide location data on the order of one meter or less within fields; RTK technology actually provides location data to within a few centimeters. By demonstrating which fields are moist or dry, and where there is erosion of soil and other soil factors that impact crop growth have taken place are demonstrated by GPS and associated precision age technology which can provide a series of GIS maps or layers. To automatically regulate the machine application of seed, fertilizer, pesticide or other inputs, the data can be utilized by the farmer[2].
Mainstream farmers who are trying to maximize profits by spending money only in areas that require fertilizer along with the American Midwest (US), it is associated not with sustainable agriculture . The rate of fertilizer can be varied across the field according to the need identified by GPS guided Grid or Zone Sampling – by the farmer using this practice. Spreading fertilizers in areas that need it instead of the ones that don’t can ensure optimal usage.
From several perspectives, as below, precision farming may be used to improve a field or a farm management:
* agronomical perspective: adjustment of cultural practices to take into account the real needs of the crop (e.g., better fertilization management)
* technical perspective: planning of agricultural activity – i.e. better time management at the farm level
* environmental perspective: agricultural impact reduction – for example better estimation of crop nitrogen needs implying limitation of nitrogen run-off
* economical perspective: increase of the output and/or reduction of the input, increase of efficiency (e.g., lower cost of nitrogen fertilization practice)
Some of the other benefits for the farmers may include assisting in decision making and traceability requirements apart from helping establish a history of his/her farm practices and results (as increasingly required in developed countries)
About the Author
Know more about Lab Equipment and Precision farming.
GeoPlough RTK-GPS Plough steering
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