Grass and wood ash insecticide method Grass ash is an important farmyard manure, rich in potassium and other minerals, has excellent pest control effect, can be used to control onion fly, root lice, aphids, beetles and so on. First, the soil is applied with 30 to 40 kg of plant ash per acre. It is best to apply it to the planting ditch. After sowing or planting, it can be covered with soil to prevent and control rhizosphere pests. The second is direct application. After the ground ash is ground, it is dew in the morning. Dry sprayed on pests in the affected area, per acre with 1 to 2 kg of plant ash; three is sprayed plant ash, will be 3 kg of ash immersed in water 10 kg soaked for 3 days, filter residue after spraying ash leaching liquid, per acre spray volume 50 kg.
Tobacco pest control tobacco is mainly used to control aphids, stink bugs, and fly maggots. Before preparation, the waste tobacco and water shall be weighed in a ratio of 1:40. The tobacco leaves shall be shredded and then soaked in 10 parts of boiling water and covered. When the water temperature drops to about 20°C, the soaked tobacco leaves will be rubbed until no more. When the concentrated sap removes the tobacco leaves, it is put into another 10 parts of water and continues to rub. After 4 times of water changing and kneading, the filter slag removes the tobacco leaves, and the tobacco juice is completely mixed and used for field pest control. The spraying amount per mu is about 50 kilograms.
The castor leaf insecticide method has the advantages of easy availability of ramie raw materials, good insecticidal effect, and organic fertilizer effect on crops after spraying. This method can effectively prevent vegetable worms, cabbage caterpillars, maggots, ground tigers, beetles, diamondback moth and other pests. The ramie leaf pod juice can be added with water 3 to 5 times, soaked in the leaf surface after soaking for 12 hours, or the ramie leaves may be dried after being ground into powder and mixed with soil, and castor bean oil may be added to water 5 times and rubbed for 12 hours. . When the application is selected to spray on a sunny evening, 20 to 40 kilograms of liquid per acre, attention must be with the use.
B scan:
Frequency: 10MHz/20MHz (optional) ,Magnetic driven, noiseless
Scanning Mode: Sector Scanning
Magnify:Multi continuous magnification,Real-Time magnification
Resolution: Lateral ≤0.3mm;Vertical≤0.2mm
Geometry position precision: Lateral ≤10%;Vertical≤5%
Depth:60mm
Enhance the part of vitreous body and retina
Gain of probe:30dB-105dB
Scanning Angle:53°
Gray Scale: 256
False Color: Multi colors. OCT
measurement type: multigroup distances, perimeters and areas
Image postprocessing: multiple curves processing, Pseudo-color processing curve
Movies: 100 images movie review, AVI JPG format image output
A scan:
Frequency:10MHz, with LED
Depth: 40mm
Precision:±0.05 mm
Measurement: Anterior chamber depth, lens thickness, vitreous body length, total length and average
Eye mode: Phakic / Aphakic / Dense / Various IOL
IOL Formula: SRK-II, SRK-T, HOFFER-Q, HOLLADAY,BINKHORST-II, HAIGIS
Stat. Calculation: Average and standard deviation
Store: 10 Scanning results for each eye
Others:
Display Mode :B.B+B.B+A.A
Hint: preset keyword
Case Search:Multi-keywords
Working Platform: Windows XP.VISTA.WINDOWS7
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A/B Ophthalmic Scanner,A/B Eye Scanner,Ultrasound Ophthalmic A/B Scan,Ophthalmic B-Scan Equipment
Guangzhou Sonostar Technologies Co., Limited , https://www.sonoeye.com