Abstract

According to the principles of agricultural sustainability, combining with utilizing the methods of principal components analysis, we made full use of statistical data from 1949 to 1998, Yujiang County, Jiangxi province. At the same time, the assessing system included 28 formed. The results showed that agricultural sustainability rose increasingly with agricultural intensification growth. However, both of them kept the same pace. The production sustainability index has been increased from 0.0808 in 1949 to 0.1496 in 1998. The annual raising rate has reached 1.265% during 50 years in Yujiang County; the economic sustainability index leaped from 0.0166 in 1949 to 0.4093 in 1998. It is enlarged 24.65 times compared with that of 1949. The ecological sustainability index has augmented 0.125% yearly since 1949. In general, the sustainability index reached 0.7533 in 1998. When the agricultural intensification is raised 1 unit, the sustainability would be enhanced by rate of 0.0001.

Key words: Yujiang County, sustainability, agriculture, intensification.