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Control of weeds in transplanted paddy nursery

Weeds are one of the major constraints in crop production and have a significant impact on crop yield. Transplanted paddy nursery is no exception, and weed control in this stage is vital for the success of cultivation.

Preparation of the nursery bed is the first step towards controlling weeds in the transplanted paddy nursery. The beds should be levelled properly, and the soil should be thoroughly tilled to uproot existing weeds. In case of severe infestation, herbicides can also be used to kill the weeds. However, it is important to ensure that the herbicides don’t have a residual effect, which can harm the paddy seedlings.

After preparing the nursery bed, the next step is to reduce weed growth during the crop nursery period. This can be done by mulching the beds with straw or leaves, which not only suppresses weed growth but also conserves soil moisture. The mulch layer should be thick enough to prevent sunlight from reaching the soil surface, which inhibits weed germination.

Regular weeding is essential during the nursery period to prevent weed growth from competing with the paddy seedlings for nutrients and water. A hoe or a hand-held weeder is the most commonly used tool for weeding. However, care should be taken to ensure that the tool does not damage the paddy seedlings.

Post-emergence herbicides can also be used to control weeds in the nursery, but it is essential to use them judiciously. Herbicides should only be used when the weeds have grown to a size where it is difficult to remove them manually. Herbicides should be applied in the early morning or late evening when the wind is calm.

Apart from weed management strategies, other practices can also help in weed control. For instance, maintaining proper drainage and water management during the nursery period can prevent the growth of wetland weeds. Similarly, timely sowing of the paddy seedlings can reduce the weed pressure, as it reduces the amount of time available for weed germination and growth.

In conclusion, controlling weeds in the transplanted paddy nursery is essential for the success of crop cultivation. A combination of practices, such as ensuring proper drainage, timely sowing, regular weeding, and judicious use of herbicides can help in effective weed control. By employing these strategies, farmers can obtain healthy, weed-free paddy seedlings for transplanting into the main field, resulting in a bumper crop yield.

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