Washing powder is a kind of contact insecticide and acaricide, which has a good control effect on fruit tree planting, flower planting and other easily occurring pests. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for handling. phone
The stethoscope, like other diagnostic instruments, is one of the most basic medical devices used in surgeries and clinics. From Single head stethoscopes to Dual head stethoscopes, Yingmed offers a wide selection of high-quality stethoscopes. There are two pairs listening head for Teaching use dual head stethoscope so that teacher and student can listen at the same time.
Except stethoscope, Patient monitor also can be used to get the rate of hearbeat. You will find a large selection of Patient monitor in our other category.
Single Head Stethoscope,Black Stethoscope,Professional Veterinary Stethoscope,Dual Head Stethoscope NINGBO YINGMED MEDICAL INSTRUMENTS CO.,LTD , https://www.chinayingmed.com
300-500 times liquid spray of neutral detergent can control whitefly adults, nymphs and scale insect nymphs; 500-700 times liquid spray can control scale insects, green peach aphid and other pests. Spray once every 3 days for 3 consecutive sprays The insecticidal rate can reach 94%-99.4%; 500-800 times liquid spray can control adult aphids, nymphs, adult mites, nymphs and young mites, and inhibit the hatching of mite eggs; 800-1000 times liquid Irrigating roots can prevent nematodes in tubers and tubers. In addition, washing powder has a certain control effect on some lepidopteran larvae and white butterfly larvae; 900-1000 times of liquid spraying on leaf backs and twigs can prevent aphids, whiteflies, red spiders, cabbage caterpillars, inchworms, spiny moths and other pests , About 2 hours, the mortality rate reached 100%.
The mixed use effect is better:
1. Mixed with urea The medicinal solution prepared by this method is commonly called "washing urine mixture", which has good insecticidal effect and can also play the role of extra-root dressing.
The preparation method is: 0.5 kg of washing powder, 2 kg of urea, and 200 kg of water are mixed and then dissolved; when used, generally spray 50-100 kg per mu.
This method is mostly used to control aphids, cabbage caterpillars and spider mites on cotton, vegetables and flowers; because urea has the effect of destroying insect chitin, it has a better control effect than washing powder alone.
2. Mixed with diesel, the "firewood washing emulsion" made by mixing diesel and washing powder has strong penetrating and contact killing effects, and has special effects on whiteflies, scale insects and other pests.
The preparation method is: first dissolve 0.5 kg of washing powder into a thin paste with 1.5 kg of water, and then heat 2.5 kg of diesel oil to 60°C to 70°C in water, then slowly pour it into the paste of washing powder and stir evenly. Use a sprayer to spray into another container to make it fully emulsified, and then use it after diluting with water.
3. Mixing with engine oil, first dissolve 1 part of washing powder with 2 parts of water, then add 1/20 of the total amount of washing powder and water with engine oil, stir well, stand for 1 hour and then become mother liquor; use 150-200 in winter and early spring Spray with 200-300 times liquid in summer and autumn seasons, and the effect of preventing and controlling red spiders can reach 98%.
Precautions:
Neutral washing powder should be used to prevent the washing powder from being too alkaline and causing burns to young leaves.
Use carefully when planted vegetables are about to be harvested. The small vegetable seedlings just unearthed should also be used with caution.
After spraying, if young leaves are found to be burned, spray water immediately to rinse off the remaining washing powder. The concentration used for different flowers is different, so you should do a test first before spraying.
When spraying the detergent diluent, it must be ensured that both the front and back of the leaves are sprayed to make it touch the insect body, so as to have the insecticidal effect, but it cannot be used multiple times.
Washing powder is easy to use and save money