Weed management practices in machine transplanted rice cultivation

Abstract

The yield perfonnance of lowland rice varieties depends on the method of crop establishment. However, yield of transplanted rice is generally believed to be higher than that of dry-seeded rice. Broadcasting is the most widely practiced establishment method by Sri Lankan paddyfarmers. Though it is easier to be practised it has several disadvantages sttch as high weed infestation, high insect pest infestation and lodging. Under the Yaya I I program, farrners were introduced machine transplanting by Deparhnent of Agriculture.