Weed Management Practices in Direct Sown Rice:
1. By ensuring thorough land preparation, the weed can be minimized. Summer ploughing is generally recorded for facilitating stubble management as well as weed control.
2. Rain water conservation, preparation of seed bed before sowing by way of providing one round harrowing and levelling after the land preparation minimizes weeds.
3. The fields should be given summer ploughing to destroy perennial weeds. Stale seed bed should be prepared by thorough seed bed preparation.
4. Timely sowing of crop may be encouraged to minimize crop weed competition.
5. The crop should be sown in lines at recommended spacing to facilitate inter weeding operation. The mechanical methods of weed management should be practiced after 2-3 weeks and second time if necessary after 4-6 weeks of sowing.
6. Apply Cyhalohop-Butyl @ 75-80g a.i. /ha at 18-20 days after sowing in grassy weeds in direct seeded rice followed by one hand weeding given after 4-6 weeks has been observed effective.
Weed Management Practices Under Low land Rice:
1. Bunds and irrigation channels should be kept free from weeds.
2. Summer ploughing should be practiced wherever possible to destroy perennial weed vegetation.
3. Stale seedbed should be prepared wherever possible .Pudding should be done immediately before transplanting of rice.
4. As far as possible, rice seedling should be free from weed seedlings at the time of transplanting.
5. Optimum plant population and application of recommended rate of nutrients application would help to ensure adequate density of plants population which could minimize the competition from weeds.
6. Maintain a thin layer of water on the soil surface to minimize weed growth under such conditions.
7. Early weeding 3-4 weeks after transplanting in case where mechanical methods are to be used.
8. One hand weeding may be given 4-6 weeks af