A rainy day to avoid fertilizer. Photosynthesis of phytoplankton in rainy days is not strong, and the absorption of nitrogen, phosphorus and other elements is poor. In rainy days, the effective concentration of fertilization will be reduced. In flood discharge, the loss of fertilizer will be large.
Second bogey hot days fertilization. When the weather is sultry, the dissolved oxygen in the water is low, and the oxygen consumption of organic matter in the water increases after fertilization, which can easily cause the fish to float and flood the pond due to lack of oxygen.
Three bogey heat season fertilization. Fish ponds should be fertilized at sunny noon from April to October each year and at a water temperature of 25°C to 30°C. If the water temperature exceeds 30°C, the application of fertilizers should be stopped.
Four taboo water fertilization. The water body is too turbid, which indicates that there are too many clay minerals in the water body. Some ions of the fertilizer are easily adsorbed and fixed by the clay particles, so that the fertilizer effect cannot be released.
The five bogey fish do not eat up or outbreaks when the fertilization. When the fish is not eating well, the large amount of plankton that can be cultivated by the fertilizer can not be used by the fish in time, and it is easy to damage the water. When the outbreak occurs, the fish's resistance weakens. If the ammonium nitrogen fertilizer is applied more, the fish can be poisoned.
Six bogey solid fertilizer dry application. The dry nitrogen and phosphorus fertilizers are granular and have a short residence time on the surface of the water. They are easy to sink into the water and affect fertilizer efficiency. Normally, when applying solid nitrogen and phosphate fertilizers, they should be dissolved and sprinkled with water.
Seven bogey fertilizer single application. The main purpose of fertilization is to cultivate phytoplankton that are easily digested by fish. Plankton generally requires a ratio of 4:4:2 for nitrogen, phosphorus, and potassium. If a certain chemical fertilizer is applied alone, it will restrict the full use of fertilizer.
Eight bogey blind mix. It is not that any two or more fertilizers can be mixed. If lime is used, it is better to apply calcium phosphate after 10 to 15 days so as to avoid chemical reaction between the two and to lose the fertilizer effect.
Nine bogey too much fertilization. An excessive application of ammonium nitrogen fertilizer will cause excessive accumulation of ammonia in the water, resulting in fish poisoning; an overdose of organic fertilizer will increase the oxygen consumption of organic matter in the water, resulting in anoxic fish ponds, so avoid using fertilizers. Once excessive fertilization, generally require 3 to 5 days fertilization time.
After ten bogey fertilization, let go of surface water. After the fertilizer is applied to the water body, it can be fully utilized by plankton after a series of physical and chemical reactions for 3 days. The population of plankton is generally evenly distributed in the depth of 1-2 cm on the surface of the water body. If the surface water is released after fertilization, the fertilizer effect will be reduced. .
Lincomycin injection
This product is a narrow-spectrum antibiotic with similar effect to erythromycin. It has a good effect on Gram-positive cocci, especially on anaerobic bacteria, Staphylococcus aureus and pneumococci. Its mechanism of action is similar to erythromycin and belongs to bacteriostatic agent. It mainly inhibits the synthesis of bacterial cell protein. Clinically, it is mainly used for various infections caused by sensitive bacteria, such as pneumonia, meningitis, endocarditis, cellulitis, tonsillitis, erysipelas, furuncle and urinary system infection. Because this product can enter bone tissue and has special affinity with bone, it is especially suitable for infection caused by anaerobic bacteria and Staphylococcus aureus osteomyelitis.
Hydrochloric acid products
pharmacological action
This product has strong antibacterial activity against Staphylococcus aureus (including enzyme producing strain), Staphylococcus epiphyte, group a hemolytic streptococcus, pneumococcus and grass green Streptococcus. Most diphtheria bacilli, tetanus bacilli and Aeromonas aeruginosa are also sensitive to this product. Most enterococci are resistant to this product.
Clinically, it is mainly used for respiratory tract infection, osteomyelitis, joint, skin and soft tissue infection, biliary tract infection, bacteremia, etc. caused by gram-positive cocci such as sensitive Staphylococcus aureus and anaerobic bacteria.
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