In Developed Countries ·USA: -1,050,000ha,one third of total micro irrigation area of the world, -5%of UAS irrigation area. ·SPAIN: increased by 252%in last 9 years. 1山
11 In Developed Countries • USA: – 1,050,000ha ，one third of total micro irrigation area of the world ， – 5% of UAS irrigation area 。 • SPAIN: – increased by 252 ％ in last 9 years
In Developing Countries 。India -Increased by 372%from 1991to 2000, -260000ha. ·S.Africa Increased by 114%from 1991to 2000
12 In Developing Countries • India – Increased by 372% from 1991to 2000 ， – 260000 ha. • S.Africa • Increased by 114% from 1991to 2000
India 。Began: 1986 ·260000ha,in2000 1.2 NAG-LAv 4小g、m ·More than55%is in Maharashtra TE55Ta~E;.之20：hm ·2:0,300t 13
13 India • Began： 1986 • 260000ha, in 2000 • More than 55% is in Maharashtra
·Japan,Thailand -increased by about 100%in recent 9 years. 14
14 •Japan, Thailand –increased by about 100% in recent 9 years
Micro irrigation in China ·Began:1974 Research,small-scale from 1974 to1990 Extensive application after 1990 ·n0w:320,000ha 0.6%of total irrigation area 15
15 Micro irrigation in China • Began:1974 • Research, small-scale from 1974 to 1990 • Extensive application after 1990 • now: 320,000ha • 0.6% of total irrigation area