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Case Analysis of Fish Disease Outbreak Prevention and Control in a Small Reservoir
In early October 2005, an outbreak of hemorrhagic disease occurred in the fish farmed in Tuonan Reservoir in our town. Through our active treatment, the disease was basically brought under control. The prevention and control situation is summarized as follows: 1. Basic information. Under normal conditions, Tuonan Reservoir has a water area of 100 mu, and 150 mu during the high-water period, with an average water depth of 3 m and a maximum depth of 6 m. Artificial aquaculture in this reservoir began in the early 1990s, mainly with conventional fish species, with supplementary stocking of freshwater shrimp, yellow catfish, and others. The reservoir water is clear and has no history of epidemic disease.
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How is dried small shrimp processed? A full analysis of dried small shrimp processing technology
Main raw materials: Acetes shrimp, table salt, etc. Equipment and tools: iron wok, baskets, flow-through stove. Production method: Grade and sort the Acetes shrimp; those containing more impurities should be sifted with a sieve; if the raw materials are not clean, they should be washed, and after washing, place them in baskets to drain, with each basket holding about 6 kg of Acetes shrimp. The following methods can be used for cooking: ① Basket-rotating cooking method. That is, fill a large iron wok with a diameter of 90 cm seven-tenths full with fresh water, add 2 kg of table salt, and after bringing to a boil, sprinkle an appropriate amount of table salt onto the shrimp basket after the shrimp have been placed in the basket and drained
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Technique of Intercropping Small Shrubs in Southern Magnolia Fields
In the first 3 years of southern magnolia seedling growth, to offset the drawbacks of large investment and no profitable output from planting trees in open fields in the early stage, small shrubs such as Japanese boxwood, golden-leaf privet, and red-leaf barberry can be intercropped. During the first 3 years of intercropping small seedlings, at 6000-7000 plants per mu, averaging 0.5 yuan per plant, more than 3000 yuan in returns can be obtained. After the 4th year, the southern magnolia has grown to 5-6 cm, and at this point they can be sold selectively, at about 80 yuan per plant. From then on, selling each year yields returns. Cultivation points: when planting 1-year-old southern magnolia seedlings, plant spacing 1.2-
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Key Technical Points for Interplanting Small Shrubs in Southern Magnolia Fields
In the first 3 years of southern magnolia (Magnolia grandiflora) seedling growth, to offset the drawbacks of large initial investment and no profitable output from field-planted trees in the early stage, small shrubs such as Japanese boxwood (Buxus microphylla), golden privet (Ligustrum sinense 'Variegatum'), and red-leaf barberry (Berberis thunbergii) can be interplanted. During the first 3 years of interplanting small seedlings, at 6000-7000 plants per mu, averaging 0.5 yuan per plant, a return of over 3000 yuan can be obtained. After the 4th year, the southern magnolia has grown to 5-6 cm, and can then be sold selectively at about 80 yuan per plant. From then on, annual sales all generate income. Cultivation points: when planting 1-year-old southern magnolia seedlings, plant spacing 1.
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Thrips Pest Control Methods: Orius strigicollis (Anthocorid Bug) Preys on Thrips
Thrips: Thrips typically suck sap from the tender tips and flowers of watermelon, causing the growing points of the watermelon to shrivel and turn black, or even become necrotic. With such significant damage, what should we do to effectively control them? The damage caused by thrips on crops has in recent years
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How to grow cucumbers? A detailed guide to the planting time and methods of cucumbers
Fertilizer management techniques for organic cultivation of small cucumbers. Cucumber is a vining plant of the genus Cucumis in the gourd family. The cultivated area in Taiwan, China is about 3,000 hectares or more, divided into two main categories: large cucumbers and small cucumbers. Small cucumbers, also called baby cucumbers or flower cucumbers, are cultivated in Yilan and Hualien counties
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What to do about small flying insects in the flower soil? A few practical methods to teach you
Summer is here, and some flower growers have noticed a lot of small flying insects around their flower pots, which is very annoying. They do not know what to do about small flying insects in the flower soil. Flower growers have summed up quite a few methods for eliminating small flying insects, and this article lists them one by one for flower growers' reference. Method one for eliminating small flying insects: soak orange peel in water and leave it in the sun for 3 days
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A Comprehensive Analysis of Common Problems in Small and Medium-Sized Pig Farms
Common Problems in Small and Medium-Sized Pig Farms
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Under what conditions can the small-leaf goldfish plant produce abundant, brightly colored flowers?
The small-leaf goldfish plant (Columnea microphylla) is a perennial herbaceous or subshrub evergreen plant. Its leaves are extremely small and button-like. The stems and branches are slender and trailing. The flowers are solitary in the leaf axils. The corolla is scarlet with a yellow throat. (1) It prefers a warm, humid and bright environment. In spring, summer and autumn it can all be placed indoors in a spot with bright diffused light.
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How to Grow Potted Small-Fruited Golden Finger Citron? A Detailed Guide to Care Techniques
Potted small-fruited finger citron differs somewhat from large-fruited finger citron, and several issues need attention in its management. First, pruning must be timely. When summer temperatures are high, humidity is great, and nutrition is abundant, the plant will produce large numbers of branches with slender internodes, unsubstantial tissue, and no flower buds
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