Table 2.

Values of pressure factors in 2000, 2004 and 2008.

Pressure Factors	Units	2000	2004	2008
Population	/	1,199,155	960,804	982,266
GDP	104 yuan	2,339,228	3,887,695	8,501,987
Industrial added value	104 yuan	1,260,405	2,477,723	5,556,690
Cultivated land area	ha	78,457	48,629	39,975
Irrigation water use	106 m3	632.16	359.52	280.42
Industrial water use	106 m3	127	136.79	150.52
Fertilizer application	106 kg	112.84	67.48	45.56
Industrial wastewater discharge	106 t	39.75	87.87	88.5