The role of aquatic grasses in cage culture of Astragalus membranaceus
The role of aquatic grasses in cage culture has the following functions:
1. Heatstroke cooling, lush vegetation can block the direct sun, to ensure that the cage water temperature is within 30 °C in the hot summer;
2, improve water quality, due to feeding animal bait, the water inside the box is very easy to be corrupted, and then produce toxic substances harm the jaundice. Aquatic peanuts, water hyacinths and other aquatic plants have a strong function of purifying and purifying water, and have an important role in improving water quality.
3, support the carcass, Astragalus body without flaws, it can rely on the support of aquatic plants can stay in the surface of the water shelter, nostrils exposed the surface directly to breathe air, reduce the water body up and down frequent movement or expansion and consumption of physical strength. Aquatic grass is the "home" of the yellow peony in the cage. When the larvae are placed, the area covered by the weeds in the cage must reach more than 70%;
4, to provide excellent habitats, Huang Xi likes to feed in the water and more dark and shelter dark place. When the cage is feeding, it is necessary to put the bait on the lush vegetation;
5, warm insulation, in winter, although the water in the cage withered, water plants covered in the water table can still play a role in insulation and buffer water temperature.
Peanuts, water hyacinths, and oils (also known as creepers) can be grown in cages. Among them, water peanuts are the most ideal, and water hyacinths are only suitable for raising water in shallow water, and net cages for raising grasshoppers and winter grasses for winter temperatures are the most suitable.
Before the seedlings go down in the box, the aquatic plants in the tank are not growing vigorously, and the complex fertilizers and fertilizers may be applied as appropriate, or the leaf surface sprayed with the aquatic fertilizer may delay the aging and death time of the aquatic plants. During the whole breeding period after stocking and breeding, due to feeding of animal feed, water quality fertilizer, and aquatic plants can naturally grow without special management. However, if aquatic plants are yellow due to the harm of flower and leaf moth and their growth is not enough, they can be killed first with insecticides to kill leafhopper larvae and eggs, but the amount of insecticides should not endanger jaundice. For plants that grow taller, they must be cut short. The plants with dead and rotting must be removed in time. When the quantity is too large, new grass should be added.
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