Nov 7 (Reuters) - The Czech Statistical Bureau (CSU) released on Tuesday its updated harvest estimates. The following forecasts are based on data collected as of October 15. Previous forecasts are from September 2006. The 2005 data are actual harvest results. CROP 2006 (Oct) 2006 (Sept) 2005 (actual) (tonnes) corn 574,483 588,534 702,933 TOTAL GRAINS 6,461,751 6,475,802 7,646,343 potatoes 711,697 668,066 1,013,000 sugar beet 2,981,028 2,957,581 3,495,611 NOTE. Total grains figure includes both corn and basic grains (wheat, rye, barley, oats and triticale). The overall area sown with basic grains declined to 1,430,860 hectares from 1,505,346 hectares harvested in 2005. (Reporting by Mirka Krufova in Prague) ((prague.newsroom@reuters.com; Reuters Messaging: mirka.krufova.reuters.com@reuters.net; +420 224 190 477)) Keywords: FOOD CZECH HARVEST TABLE