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season and crop report tamilnadu 2009-10

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SUMMARY TABLES<br />

B - SOURCES OF IRRIGATION AND AREA IRRIGATED<br />

(in Numbers)<br />

Sources<br />

<strong>2009</strong>-<strong>10</strong> 2008-09 2007-08 2006-07 2005-06<br />

1. Canals<br />

a a) Government 2237 2237 2237 2237 2393<br />

Length in k.m 9736 9736 9736 9736 9736<br />

b b) Private 2 2 2 2 2<br />

Length in k.m 11 11 11 11 11<br />

2. Reservoirs 78 78 78 76 71<br />

3. Tanks<br />

a) with Ayacut of 40 ha. <strong>and</strong> above 7984 7984 7982 7982 7933<br />

b) with Ayacut of less than 40 ha. 33278 33278 33278 33278 32386<br />

4. Wells<br />

Total 41262 41262 41260 41260 40319<br />

i) Tube Wells & Others - a) Govt. 689 715 738 987 1181<br />

b) Private 305277 301917 299154 2921<strong>10</strong> 286123<br />

Total (a+b) 305966 302632 299892 293097 287304<br />

ii) Open wells - a) Govt. 472 471 553 677 670<br />

b) Private 1529617 1518359 1531709 1553362 1620721<br />

Total (a+b) 1530089 1518830 1532262 1554039 1621391<br />

Total No.of Wells ( i+ii ) 1836055 1821462 1832154 1847136 1908695<br />

5 No. of Wells used for Domestic Purposes 666081 669873 677352 675923 658778<br />

6 No. of Wells not in use 50067 59233 117684 190797 180298<br />

NET AREA IRRIGATED BY<br />

i) Government Canals 756635 764967 752094 781433 799601<br />

ii) Private Canals 455 560 560 560 560<br />

iii) Tanks 503491 540281 506070 531376 575352<br />

iv) Wells : a) Tube Wells & Others 391<strong>10</strong>7 387074 389279 393449 381441<br />

b) Open wells 1202861 1227008 1204402 1172758 1155367<br />

v) Other sources 9317 11223 11418 9304 7224<br />

TOTAL 2863866 2931113 2863823 2888880 2919545<br />

44

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