求翻译：为深入了解广东全省以及四大区域1990-2008年期间农业经济增长成因，采用Solow余值法所进行测算的测算与分析表明：是什么意思？

For in-depth understanding of Guangdong Province and the four region causes agricultural economic growth for the period 1990-2008, Solow residual value calculation by the method of calculation and analysis shows that: