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A Detailed Guide to Freshwater Oriental River Prawn Farming Techniques and Postlarval Breeding Techniques
The oriental river prawn is a type of freshwater prawn, and its nutritional value is very high. The freshwater oriental river prawn grows very quickly, and individuals are larger than ordinary prawns. The freshwater oriental river prawn reproduces quickly and has strong vitality. The freshwater oriental river prawn mainly lives in the freshwater lakes of China.
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How to scientifically farm giant river prawns? A detailed explanation of the key technical points
The giant river prawn is a freshwater shrimp. It is rich in nutrients and has long been known as the king of freshwater shrimp. It is one of the three shrimp species with the highest farming volume, so it is a common food for residents in cities. Many farmers are preparing to farm giant river prawns, but they have been unable to proceed because they do not understand the technology.
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Detailed Guide to Giant Freshwater Prawn Farming: Master Scientific Farming Methods
In summer, more and more people like to go out to cool off, mostly in groups of three or four or five who arrange to sit together, and once they are done they head straight for the late-night snack stalls. This season is when giant freshwater prawns are most popular; whether it is oil-braised shrimp, steamed shrimp, or boiled shrimp, giant freshwater prawns are basically the choice. Although the head is big and the body small, they
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How to Raise Giant Freshwater Prawns? A Detailed Guide to Farming Techniques
The giant freshwater prawn, also known as the Malaysian prawn or freshwater long-arm prawn, is a large freshwater shrimp native to Southeast Asia. It has the advantages of fast growth, a wide feeding range, good nutritional content in its flesh, and a short farming cycle. 1. Build the shrimp pond well. The shrimp pond should be built in a place with an adequate water source,
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Want to feed cattle well in winter? Master these seven tips
Clever straw processing. Single-variety forage lacks nutrition and easily causes cattle to lose weight and become thin. If the straw is ammoniated with a clever treatment, cattle will love to eat it. The method is: chop wheat straw, rice straw, etc. finely into 2-3 cm short pieces, add 4 kg of urea to every 100 kg of chopped wheat straw or rice straw, first use
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Control Methods and Key Technical Points for Deformed Fruit in Greenhouse Strawberries
(1) Promote full flower bud differentiation. Whether strawberry flower buds differentiate fully is an important factor affecting the yield and quality of greenhouse strawberries. When flower bud differentiation is good, there are more flowers, larger fruit, and fewer deformed fruit. Generally, 2 weeks before planting, root pruning, shading, nitrogen control, and removal of old leaves are started to promote
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Key Points of Winter Field Management Methods for Greenhouse Strawberries
Moisture retention In northern regions, film covering for insulation begins from late September to early October. In addition to double-layer insulation covering with large greenhouses and small arched sheds, winter strawberries can also be protected with measures such as leaf covering. Temperature and humidity management: In the early stage after planting, maintain 25°C-30°C during the day, and at night 12°C-
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Strawberry Cultivation: Experience Sharing on Soil Testing and Formula Fertilization
1. Fertilizer requirements: Strawberry growth requires nitrogen, phosphorus, potassium, and various trace elements such as boron, magnesium, zinc, iron, and calcium. Early growth requires phosphorus, the early-to-mid stage requires large amounts of nitrogen, and the entire growth period requires potassium. With severe nitrogen deficiency, the leaves turn yellow, become partially scorched, and are slightly smaller than normal leaves.
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Summary of Pesticide Use Experience in Pollution-Free Strawberry Production
I. Strictly select pesticides and strictly implement pesticide safety intervals. In pollution-free strawberry production, biological pesticides should be given priority, and highly efficient, low-toxicity, low-residue chemical pesticides should be used selectively. These pesticides mainly include: (1) Insecticides, such as the Bt series, avermectin series, pyrethroids, plant extracts (such as tebuconazole and capsaicin, etc.), insect hormones (Mimic, Cascade, IKI-7899), a small number of organophosphorus pesticides (trichlorfon, chlorpyrifos, Lorsban) and other pesticides such as imidacloprid, etc. (2) Fungicides, such as Bordeaux mixture, polyoxin, thiophanate-methyl, Score, Nustar, Kocide, chlorothalonil, triflumizole, Bellkute, pyrimethanil, etc. (3) Herbicides, such as quizalofop, haloxyfop, etc. (4) Smoke agents, such as sulfur fumigants, procymidone, aphid-killing smoke agents, etc. Throughout the entire strawberry production process, it is strictly forbidden to use highly toxic and high-residue pesticides such as methamidophos, carbofuran, chlordimeform, omethoate, dicofol, methyl parathion, sodium pentachlorophenate, fosthiazate, chloropicrin, nitrofen, etc.
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Control Methods for Strawberry Leather Rot, a Must-Read for Growers
In recent years, along with the optimization and adjustment of the planting structure, the strawberry cultivation area in Laizhou City has expanded rapidly. Due to continuous cropping, strawberry diseases have shown a worsening trend, especially the emergence of strawberry leather rot, which has a great impact on the yield and quality of strawberries, and in severe plots
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