1. Do not transfer seeds from the occurrence area, change seeds, select seeds before sowing, and remove weed seeds, glutinous grains and miscellaneous grains.

2. Do not use farmyard manure containing wheat straw and wheat bran in wheat fields or corn fields.

3. For wheat fields with less weeds or poor control effects, we must completely remove the weeds at the heading stage, including weeds in the fields and roadsides.

Chemical weeding

1. Prevention and treatment medication:

3% Shima oil suspension (methyl disulfuron); 3.6% broad-water water dispersion granules (methyl disulfuron + methyl iodsulfuron sodium salt).

2, the amount of use:

Shima 25-30ml/mu + safety agent (with treasure) 75-95ml/mu (2-3 sets)/mu 30 kg of water; Kuoshima 20-25ml/mu + safety agent (with treasure) (80― 100ml) / mu, that is, per mu (2 - 2.5 sets), 30 kg of water can treat both broadleaf weeds.

3. Master the appropriate application time:

Try to use herbicides before winter, with good herbicidal effect and high safety. Specific requirements:

(1), look at the seedlings: 3-6 leaves after the winter wheat seedlings, grasses weeds 2-5 leaf stage (before 2 tillers), basically out of the seedlings.

(2), see the weather: sunny and 4 days without frost and heavy rain, the best use. The best use temperature is 10-20 ° C, good noon light, high temperature, best use, can be basically absorbed within 4 hours. The minimum temperature when using the medicine is generally not lower than 4 °C.

When the crop grows badly badly, or when the following conditions occur: rainy days, low hydronephrosis, muddy wetness, saline or alkaline damage, freezing damage, salt damage, pests and malnutrition, or heavy rain or frost within 4 days after application ( the minimum temperature is lower than 3 ℃), prohibit the use of the agent, and 2 days before and after administration of non-flood irrigation wheat field, to avoid injury.

4. How to use:

When applying, the bundled preparation and the companion (safener) are mixed into a mother liquid, and then poured into a sprayer that has been installed in the water to be evenly stirred. Each package of medicament was sprayed with nebulizer water (16 liters). Be sure to pay attention to the constant speed of the spray, evenly spray, it is strictly prohibited to "multiple sprays in the grass", it is strictly prohibited to use heavy spray, leak spray or over-range.

Preservation Tube

Can be used directly to maintain the integrity of cell morphology Guidelines recommend cell preservation fluids for sample preservation and transport. It can be used for sputum, bronchoscopic alveolar lavage fluid, pleural fluid and other liquid samples.

Sample storage tubes,Medical disposable storage tubes,Disposable medical consumables

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