Answer: Daylily fertilization requires sufficient winter fertilizer (basal fertilizer), early application of seedling fertilizer, heavy application of manure fertilizer, and supplementation of bud fertilizer. Every year before spring emergence, the field is cultivated once, and the fast-acting fertilizer is applied once. Miao fertilizer should be applied sooner rather than later, and should be applied when daylily begins to sprout, applying 10 kg of urea, 30 kg of superphosphate, and 8 kg of potassium sulfate. Before the pumping, we carried out shallow middle tillage, and applied a second quick-acting fertilizer, which was called booster fertilizer. This period requires a lot of fertilizer, and should be applied when the calyx starts to be drawn out. Apply 15 kg of urea, 30 kg of superphosphate, and 10 kg of potassium sulfate per mu.
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Acid and alkali resistant gloves, electrical insulating gloves, radiation protection gloves, medical gloves and other rubber gloves.
According to the rubber raw material or manufacturing process, it is divided into Latex Gloves and molded gloves.
Acid and alkali resistant gloves should be able to be used in sulfuric acid (density 1.32) or caustic soda solution (density 1.19) at 45°C. Electrical insulating gloves are divided into two types: high voltage and low voltage. High voltage can be used below 6000 volts (test voltage is 12000 volts). Low voltage can be used below 1000 volts. Medical gloves are divided into two types: light surface and wool surface (hair surface gloves or wrinkled gloves).
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According to the material, it is generally divided into plastic disposable gloves, latex disposable gloves, and nitrile disposable gloves;
Among them, plastic film gloves are generally used in non-professional occasions. The advantage is that they are cheap, but because plastic disposable gloves are not elastic, their durability and suitability are relatively poor;
Latex gloves are usually used in professional occasions, such as operating rooms, laboratories and other places that require high sanitary conditions. The advantage is that they have a certain degree of elasticity and are more durable, but they are not resistant to animal oil corrosion, and are easily corroded by contact with animal oil. More importantly, according to statistics, 2%-17% of people will have varying degrees of allergy to latex.
Nitrile Gloves, in addition to having the characteristics of latex gloves and improving the shortcomings of latex gloves, can first withstand the corrosion of animal oils and fats, and will not cause allergies.
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