NDLI: Use of Geographic Information System (GIS) and Global Positioning System ( GPS) in the precise application of fertilizer to maintain soil productivity

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Use of Geographic Information System (GIS) and Global Positioning System ( GPS) in the precise application of fertilizer to maintain soil productivity

Content Provider	Semantic Scholar
Author	Singh, Kanchan Rathore, Abhishek Tripathi, Anshu Rao, Avm Subba Khan, Salman
Copyright Year	2010
Abstract	Optimum return on the investment and minimum environmental pollution are the major issues to be addressed while advocating soil test based nutrient recommendations. Fertilizers being the costliest inputs, the scientific approaches towards profitable agriculture would imply the use of plant nutrients according to the actual needs of the soil-crop situations. There is scope to apply the fertilizer as per recommendations superimposing them over the soil fertility maps. Approximately 8% villages from Hoshangabad district were selected using stratified multistage random sampling. From each selected village six farmers were selected for collecting soil samples from their fields. The location of each field was recorded using GPS. The collected samples were analyzed for major soil nutrients viz. N, P and K and various soil properties like OC, pH and electrical conductivity (EC) in the institute central laboratory. Spatial analysis (kriging) was carried out using sample data in ArcInfo (University Lab Kit). Estimated response surface in case of nitrogen below clearly shows that most of the area in Hoshangabad district is low in Nitrogen (i.e. < 280 kg/ha). To interlinked recommendations, we converted krigged raster surfaces to ACESS database with complete geospatial information. Once a database was ready, a web interface was designed to access desired information from the database which has been interlinked with the recommendations for optimum use of fertilizer. Now farmer need to provide only his field geographical location (latitude and longitude) to web interface, and this will suggest him about the soil properties of his field. Moreover, he will also be suggested about the dose of fertilizer application for any desired yield target of any selected crop.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.esri.in/~/media/esri-india/files/pdfs/events/uc2010/papers/KN%20Singh.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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