The ultra-low sprayer has the advantages of quickness, high efficiency, light weight, cost saving, etc. compared with commonly used sprayers when it comes to the prevention and control of diseases and insect pests of flowers, trees and lawns. Specifically:

First, less water

Ultra-low-volume sprayers use a pesticide solution or only a very low dilution, so it does not require a lot of water.

Second, less medication

About 100 grams per acre spray liquid, instead of tens of kilograms, or even hundreds of kilograms. Therefore, when used, it can greatly reduce the labor intensity and save labor.

Third, evenly distributed droplets

Ultra-low-volume sprayers do not spray the liquid directly on the plants, but rely on the wind to disperse the droplets with a diameter of only several tens of micrometers, and evenly distribute the mists to the plants under the “micro-air flow” around the plants. Positive and negative sides and sides of leaves and whole plant. In this way, the killing rate of pests is higher than that of pesticides diluted with a large amount of water, especially for some insect pests that have already developed resistance. Due to the killing function of the pesticide liquid, it is several times or even several times higher than that diluted with water.

Fourth, the use of simple

The nose of the hand-held ultra-low sprayer was always maintained at a height of about 1 meter above the plant. Since the sprayer dispenses with liquid sprayers, the liquid flows out when the vial is put down. Therefore, when the motor is not turned on, the vial should be at the bottom and the nose at the top. When spraying, start the motor first, then change the position of the vial and the head so that the vial is on the top, the bottle is down, the bottle is perpendicular to the ground, and the liquid flows out on its own.

When spraying, starting from the downwind direction, the walking route should be separated by a certain distance, which is the spraying amplitude. The size of the spray should be flexibly controlled according to the size of the wind speed. When the wind speed is small, the spraying amplitude should also be smaller, but vice versa should be larger, generally 3 meters to 3.5 meters is appropriate. Spray time is best selected in the morning, afternoon or cloudy days to avoid sun exposure. Ultra low dose sprays are best used with systemic, fumigant or stomach poisons. The dosage is generally about 50 grams per mu. If you need the right amount of water, you can use the "equal method."

An automated analyser is a medical laboratory instrument designed to measure different chemicals and other characteristics in a number of biological samples quickly, with minimal human assistance. These measured properties of blood and other fluids may be useful in the diagnosis of disease.

Photometry is the most common method for testing the amount of a specific analyte in a sample. In this technique, the sample undergoes a reaction to produce a color, and then a photometer measures the absorbance of the sample to indirectly measure the concentration of analyte present in the sample. The use of an Ion Selective Electrode (ISE) is another common analytical method that specifically measures the ions present in the sample.[1]

Many methods of introducing samples into the analyser have been invented. This can involve placing test tubes of sample into racks, which can be moved along a track, or inserting tubes into circular carousels that rotate to make the sample available. Some analysers require samples to be transferred to sample cups. However, the effort to protect the health and safety of laboratory staff has prompted many manufacturers to develop analysers that feature closed tube sampling, preventing workers from direct exposure to samples.[2][3] Samples can be processed singly, in batches, or continuously.

The automation of laboratory testing does not remove the need for human expertise (results must still be evaluated by medical technologists and other qualified clinical laboratory professionals), but it does ease concerns about error reduction, staffing concerns, and safety.

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