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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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Analysis of Death Causes in Scallop Farming and Preventive Measures
1 Death causes 1.1 Excessive farming density This is a commonly existing problem. Farmers single-mindedly pursue yield per unit area, and most adopt high-density farming methods, placing 100-120 seedlings per layer of net cage, or even more. At present, most scallop farming methods use
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Key Technical Points on Drug Use in Eel Farming in Summer and Autumn
In the high-temperature seasons of summer and autumn, eel growth is at its most vigorous, but the incidence of eel diseases is also at its highest. Many farmers, when eels fall ill, resort to desperate measures and use drugs haphazardly, only to spend a lot of money in vain without curing the eel diseases. Worse still, drug abuse causes water quality pollution,
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What are the methods for collecting eel fry in eel farming?
Because artificial hatching of eel fry has still not been achieved to date, eel fry are mainly obtained by natural collection. From late December each year to March of the following year is the eel fry flood season, and fishermen in Zhongshan and other places set nets in the Pearl River Estuary to collect them day and night during the rising and falling tides.
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Experience and Technical Key Points for Pond Farming of Bass
1. Pond clearing and water cultivation. For ponds used to farm bass, it is best if conditions allow to dry the pond, remove silt and expose it to sunlight, especially for old ponds that have been farmed for many years. Disinfect once half a month before releasing fry, applying 50 kg of quicklime per mu or using 20 PPM bleaching powder with an appropriate amount of pond water for disinfection.
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How to prevent and treat trichodiniasis in yellow catfish farming?
[Cause] The pathogens are Trichodina and Trichodinella. They spread through direct contact, or the trichodinids leave the fish and swim freely in the water to move to new hosts. [Symptoms] The pathogens mainly parasitize the gills, body surface skin and fins of yellow catfish. With a small number of parasites,
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Clever Use of Table Salt to Prevent and Treat Diseases in Grass Carp Farming
Table salt has a strong insecticidal and sterilizing effect, and is a commonly used drug for preventing and treating many fish diseases, especially bacterial, fungal, and parasitic fish diseases, with remarkable results. The prevention and treatment methods are described below. 1. Prevention and treatment of bacterial fish diseases using 3% salt water
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Prevention and Treatment of Oral and Lower Jaw Boils in Freshwater Pomfret Farming
[Cause] The pathogen may be bacteria, but it has not been isolated and identified. The main conditions for the pathogen to cause this disease are the oxidative deterioration of meat residue and oil paste in pelleted feed after long-term storage, and the deterioration of water quality. [Symptoms] Diseased fish show reduced feed intake. They swim slowly at the water surface and respond sluggishly,
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Methods for the Prevention and Treatment of Fowl Cholera in Hwamei Breeding
1. Cause Cholera, also known as pasteurellosis or hemorrhagic septicemia, is an acute septicemic infectious disease caused by Pasteurella multocida. The bacteria exist both in sick birds and in healthy birds. When a bird's resistance declines due to malnutrition, the bacteria
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