Classification of Agricultural Productivity Index of Cauvery Delta Zone using Artificial Neural Network
In this study a novel trial was made to classify the Agriculture Productivity Index (API) for the major crops of Cauvery Delta Zone (CDZ) using neural network and statistical methods. At present the CDZ includes, Tanjavur, Tiruvarur, Nagapattinam, Tiruchirapalli, Pudukottai and Ariyalur districts. The crops grown in the Cauvery delta zone were categorized into four major groups such as, cereals, pulses, oil seeds and cash crops. The data for the period of 2003 to 2012 were collected from the Department of Economics and Statistics, Chennai, Tamilnadu. Enyedi's method was adopted to calculate the API and based on the index the regions were classified by neural network method using Learning Vector Quantization (LVQ). The classification was cross validated statistically, using Multivariate Discriminant Analysis (MDA). The classification results achieved 83% in LVQ and 97% MDA respectively in the entire period of study. The results are obtained as Greater Productivity Regions (GPR), Moderate Productivity Regions (MPR) and Lesser Productivity Regions (LPR) and are plotted in Tamil Nadu spatial map with different colours.
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