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Weeding is the process of eliminating competition of wanted plants with the regular crop so that the crop can be grown profitability. Management of weeds is an important component of crop production technique as removal of weeds is expensive and hard to achieve at later stages. Weeds take away nutrients and harbor destructive insects, thus cause reduction in yield.
In the past two decades, work has been done on non-chemical management techniques and environmentally safe alternatives to herbicides for weed control. Mechanical weeding is generally the most economical method of weed control. Using a rotary, mechanical hand weeding machine, wetland weeder, gives best results. Wetland weeders are becoming popular because they are utilized under shallow water conditions. Weeds are uprooted by the teeth of
the weeder and buried in the mud due to its pull and push operations. It is safe and environmental friendly.
Weeding must be done at least 3 times during one season. The weeder has to be used as soon as the weeds germinate. Earlier weeding is easier and it completely destroys weeds while they are very small.
Instructions to use:
Early first weeding is a must. Carryout the weeding within 20 days after sowing.
Late weeding will lead to competition between paddy and weeds, ultimately damaging the paddy.
Push the weeding machine in back and forth movement between rows.
Take up weeding again 15 days later and if possible a third time.
The third weeding is not important but each weeding aerates the soil and is highly rewarding.
Doing a fourth weeding before the onset of flowering will further increase the yield, even if the field is already quite clear of weeds.
l. The first weeding must be carried out within 2O days after sowing.
2. At the time of weeding water should be more in the field.
1. Low cost weed control.
2. Easy to operate.
3. No Chemical residue.
4. Facilitates good aeration.
5. Better development of root system.