1. Chemical weeding in seedling field is labor-saving, labor-saving and effective. However, in production, if the use method is improper, it will cause pesticide damage, and in serious cases, it will destroy the seeds and rebreed. Therefore, in addition to the seedlings, it is necessary to master the following use techniques:
2. Different seedling raising methods, herbicides and use methods are different. At present, there are two methods of raising seedlings in production, one is water seedling raising (wet seedling raising); One is dry-raised seedlings. Dry breeding and chemical removal technology: After sowing and covering soil, 42% butachlor is used for every 66.7 square meters of seedling field. 10ml of oxadone, mixed with 4kg of water, sprayed on the soil to seal, sprayed peritoneum. Water seedling removal technology: during the removal period, when the seedlings grow to 2 leaves and 1 heart stage, withdraw the water layer on the field surface, and use 36% benzyl per 66.7 square meters of seedling field. 5 grams of dichloride, 4-5kg mixed with water, spray on the seedling field.
3. Precautions: (1) The liquid medicine must be sprayed evenly, and it cannot be resprayed or leaked; (2) Herbicides in dry seedling fields must not be used in water seedling fields, otherwise it will cause serious pesticide damage.
How to weed rice seedlings is introduced here, I hope it will be helpful to everyone. If you want to buy high-quality and high-yield rice seeds, you can download the Seed Bank App, and the country's excellent rice varieties are available for everyone to choose.
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