农业综合板块10月20日涨1.63%，大禹节水领涨，主力资金净流入1456.14万元

Group 1 - The agricultural sector increased by 1.63% on October 20, with Dayu Irrigation leading the gains [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] - Dayu Irrigation's closing price was 4.84, with a rise of 1.89%, and trading volume of 160,300 shares [1] Group 2 - The net inflow of main funds in the agricultural sector was 14.56 million yuan, while retail funds experienced a net outflow of 8.03 million yuan [1] - Dayu Irrigation had a main fund net inflow of 9.0361 million yuan, accounting for 11.71% of its total [1] - Huilong Co. saw a main fund net inflow of 5.5253 million yuan, representing 6.13% of its total [1]