According to the latest amended agricultural economic statistical data from 1996 to 2009 in Henan Statistical Yearbook-2010，by selecting and establishing the optimized grey model of logarithmic new developed coefficient, we conduct the empirical analysis and forecast research on the grain...

We establish the optimized grey model with logarithm new development coefficient by screening according to the latest statistical data during 2007 in Jiangsu Province. Empirical analysis and prediction research on rural gross social output value in Jiangsu Province from the year 2008 to 2012 are...