Developing situation of mechanical weeding in rice

Maximum operations in paddy cultivation are now mechanized. Mechanization continuously improved the effectiveness of work and reduced the problem of labour shortage and also the cost of cultivation. After system of line sowing of paddy field mechanization continuously improved in weeding. This found more desirable than the manual hand picking and chemical weeding methods. Mechanical weeding done by manual weeder, animal drawn weeder and power operated weeder. Power weeders perform better than the manual and animal drawn weeders in case of reduce the cost and labour problem. Mechanical weeder and their improvement are discussed in this paper.