Huang Xi summer breeding five points
The five main points of summer cultivation of Astragalus membranaceus in summer cooling: the optimum temperature of Astragalus membranaceus is 28°C, and the sun exposure in the summer is easy to make Astragalus heatstroke. Planting climbing plants such as pumpkins, loofahs, grapes, or shading with straw can be done around the pool. You can also put in the right amount of floating plants, such as water hyacinth, water hyacinth, duckweed, etc., on the surface of the pond (but the area cannot exceed 1/1). 3), can also be used to change the temperature, that is, in the summer to increase the pool level to 25 cm -30 cm, and to replace the pool surface water to balance the pool water temperature. Conditions can be used to reduce the temperature of the whole day micro-flow method, the effect is better. Pay attention to the quality of the bait: the bait must be fresh, avoid feeding, spoilage, feed, so as not to suffer from gastrointestinal problems after eating jaundice. In summer, jaundice grows fast, and it is necessary to feed as much as possible animal protein diets such as snail meat, fresh squid, and fly maggots, and feed once a day for twice a day when changing the level, and cool before and after 6:00 a.m. The time to feed, the amount of feeding to eat on the same day as yellow peony is appropriate. The remaining bait should be removed in time to prevent contamination of the pool water. To control the water quality of the Dianchi Lake: The water quality of the Dianchi Lake in summer is preferably between pH 7-8. If the pool water is acidic for a long time, lime water can be poured into the pool for adjustment. Prevent the catfish from running away: The weather changes abruptly in summer, especially when thunderstorms and heavy rains occur. The yellow pelican is restless and easiest to escape. Therefore, special attention should be paid to checking the depth of the water level, whether the bottom of the pond wall is cracked, and whether the drainage hole net cover is in good condition, to eliminate hidden dangers in time, and to stop the way out of the yellow locust to escape. To prevent jaundice floating head: Under normal feeding conditions, if there is a general floating head, indicating that the stocking density, feeding more, and jaundice grow. However, in the case of boring weather, rainy days, severe deterioration of water quality, bubbles on the surface of the water, etc., or when the morning and evening patrols of the pond were found to be frightened by the jaundice, the water surface of the cluster, and scattered swimming, it was a serious lack of oxygen and must be dealt with promptly. For light floating heads, it is sufficient to inject fresh water immediately to increase oxygen, but it is not possible to inject water in the evening so as to avoid the convection of the upper and lower aquifers and aggravate the floating head. Dark floating heads occur mostly in the summer and early autumn. Because of their mild symptoms, they are not easily noticeable. For floating heads caused by sudden changes in weather and water quality, as long as the feeding is reduced, the bait residue can be removed in time, and new water can be quickly injected. (Fang Zhi)
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