How can rice save itself after a flood?

How can rice save itself after a flood?

1. Grab the drain where water is standing. After the seedlings are flooded, the plants will stop breathing due to lack of oxygen, and will die after a long time. Pay close attention to drainage waterlogging, so that the flooded seedlings as soon as possible to water, enhance breathing.

2. Wash and protect seedlings. After drainage, immediately wash the seedlings with clean water, remove the mud stains on the leaves, spray water, straighten the fallen seedlings, and promote their normal growth.

2. Rational drainage and irrigation. The root activity of seedlings was poor after water flooding. When seedlings are drained and exposed, it depends on weather conditions. If it is cloudy, the water can be drained once. If it is sunny, a shallow water layer should be maintained in the field to meet the moisture required for transpiration of the seedlings and avoid the seedlings from wilting and dying due to dehydration. After the seedlings regain physiological function, they should be drained and exposed to restore root growth.

3. Topdressing and tillering. When the tillers of flooded seedlings die, rapid nitrogen fertilizer should be applied in time after drainage to promote the growth of tillers and increase the number of new tillers, which is conducive to the high yield of rice field.

4. Pest control. After rice was flooded, its resistance to disease was weakened, and the bacteria spread rapidly with water. Topdressing after drainage may make seedlings grow green, which is easy to induce pests. Therefore, it is necessary to strengthen the prevention and control of diseases and insect pests, strengthen the inspection of rice blast, grain wilt, rice leaf roller, rice thrips, rice planthopper and other major diseases and insect pests. Once it occurs, it must be controlled with appropriate pesticides and disinfectants as soon as possible.

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