Early spring is a critical period for shrimp growth, when shrimp metabolism is vigorous and the demand for nutrients increases. Reasonable fertilizer and water management can provide sufficient nutrients, improve the ecological environment of shrimp ponds, maintain water stability, prevent the occurrence of diseases, promote the growth and reproduction of shrimp, and improve the efficiency of aquaculture.
1. Fertilizer and water management
According to the water quality, substrate and shrimp growth needs of shrimp ponds, the types of fertilizers and the amount of fertilizer are scientifically selected to ensure that shrimps obtain comprehensive and balanced nutrition, which not only meets the growth needs, but also avoids the deterioration of water quality caused by overnutrition, and avoids blind fertilization and excessive fertilization. We use: multi-effect fertilizer and water pioneer, rich in a variety of amino acids and trace elements and other nutrients, small molecules and easy to absorb, can be low temperature and rapid fertilizer water.
Second, the operation method
1.Fertilizer Selection:Fertilizer water can use biological fertilizer, organic fertilizer and inorganic fertilizer, etc., we should choose reasonably according to the situation of shrimp pond. Biofertilizers can improve water quality and increase shrimp immunity. Organic fertilizers can provide abundant nutrients and promote shrimp growth. Inorganic fertilizers can quickly replenish nutrients in water bodies.
2.Amount and frequency of fertilization:According to the specific situation of the shrimp pond and the growth needs of shrimp, gradually increase the amount of fertilizer, and the frequency can be controlled at 1-2 times a week. At the same time, it is necessary to pay close attention to changes in water quality and adjust the amount and frequency of fertilizer application in time.
3.Water Quality Monitoring:After fertilization, pay close attention to the changes in the water quality of the shrimp pond. Regularly test the pH value, dissolved oxygen, ammonia nitrogen, nitrite and other indicators of the water body to ensure that the water quality is stable. If the water quality is abnormal, it is necessary to take timely measures to adjust, such as changing the water, increasing oxygen, etc.
4.Disease Prevention:Early spring is a disease-prone period for shrimp, and fertilizer and water management needs to be combined with disease prevention measures. Biological agents can be used regularly to regulate water quality and improve shrimp immunity. At the same time, it is also necessary to strengthen the cleaning and disinfection of shrimp ponds to reduce the breeding of pathogens.