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Key Technical Points and Care Methods for Keeping Phalaenopsis (Moth Orchid) Through the Summer
1. Measures: Getting Phalaenopsis through the summer is mainly a matter of cooling, and the following measures should be taken: ① Add a double layer of shade netting to reduce light, which achieves a good cooling effect (a drop of 2°C to 4°C). ② Sprinkle or flood the ground with water. Summer temperatures are very high, but the water just drawn from a well is actually very cold, around 16°C. Therefore, sprinkling or flooding with water can produce an obvious cooling effect. ③ Misting the leaves cools fastest, but the effect lasts the shortest time. ④ Ventilation. On the wall every 5
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Fertilization Methods and Technical Key Points for Azaleas
Azalea roots are delicate and tender, so fertilizer must be fully composted before use. Generally, fertilizer that has been composted for more than 1 year and fully fermented is most suitable. Five points should be noted when fertilizing: Feed according to the seedling. Seedlings cannot be fertilized; after 4 months, a well-composted, extremely dilute liquid manure can begin to be applied; after the plants are established and transplanted separately in the following spring, more nitrogen and potassium fertilizer should be applied to accelerate vegetative growth. At 2-3 years, during the mature stage, more phosphorus fertilizer should be added to achieve a high flowering rate and large, brightly colored flowers. In the old-age stage, more nitrogen fertilizer can be applied to promote renewal of branches and leaves, rejuvenate the plant body, and extend the plant's lifespan. Fertilize at the right time. In early
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What are the key technical points for tending and managing Korean pine (Pinus koraiensis) seedlings?
The tending and management of Korean pine (Pinus koraiensis) seedlings is as follows: the emergence period of Korean pine takes about 20 to 30 days. When the temperature is above 16°C, germination is most vigorous. Attention should be paid to watering to prevent drought, and to preventing damage from birds pecking. During the seedling stage, roots grow relatively fast; the main root can reach 10 cm long, accounting for about 40% of the annual growth, and can produce 4 to 5 lateral roots. However, the height growth of the seedlings is very small. Therefore, the resistance of the seedlings is very poor. Attention should be paid to watering to lower the temperature, preventing sunscald, and timely topdressing and loosening the soil and weeding. From the time Korean pine seedlings form terminal buds until the growth rate declines, it lasts about
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Key Technical Points for Preventing Green Mold in Edible Mushroom Cultivation
Green mold is a major disease in edible mushroom cultivation, and the following 10 methods can be used for timely prevention and treatment: 1. Lower the temperature and humidity of the mushroom house, increase ventilation, and cover the moldy areas with plant ash to prevent mold spores from spreading through the air. 2. First fumigate the room with a 3% Lysol solution or 3% formaldehyde solution, then wash the moldy areas with a 1% potassium permanganate solution. 3. Sprinkle potassium permanganate granules on the moldy areas, then spray water around the outer edges of the mold. 4. Take 9 parts quicklime, 1 part carbendazim, and an appropriate amount of water, mix them, and scrub the moldy areas. 5. Soak the mold with 5%
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Key Technical Points for Managing the Growth of Edible Mushroom Fruiting Bodies
First, open the bag mouths promptly and increase ventilation to meet the mushrooms' oxygen needs. The air humidity should be kept between 88-90%. At this stage, water should be sprayed lightly and frequently, and not directly onto the mushroom buds, so as to prevent the buds from being killed by waterlogging. After about 6 days, heavy and frequent spraying can begin. Generally, in summer, spray 3 times: at 8 a.m., 12 noon, and 4 p.m. In winter, spray 1-2 times depending on conditions. On cloudy, rainy, and windy days, water should still be sprayed, but the amount should be reduced. Before the fruiting bodies mature, the amount of water sprayed should be reduced. Scattered light is required. The temperature should be controlled between 12-18°C.
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Key Technical Points for High-Quality and Safe Production of Edible Fungi
High-quality and safe production of edible fungi is an important part of the sustainable development of the edible fungi industry. It helps save resources, protect the environment, improve the competitiveness of products in the international market, increase the trade volume and price of exports, and raise the income of mushroom farmers. In recent years, with the increase in cultivated varieties of edible fungi, the broadening of types of cultivation resources, the expansion of cultivation area and the extension of cultivation regions, some production areas arbitrarily change formulas in pursuit of high yields and add some chemical components with unclear uses and mechanisms; and in one-sided pursuit of labor saving, they adopt some
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Key Technical Points for Quick-Freezing and Cold Storage Preservation of Edible Fungi
Quick-frozen storage of shiitake mushrooms: In recent years, shiitake mushroom production has flourished across both northern and southern parts of China. Since the popularization of bag-cultivated shiitake mushrooms in Fujian, provinces such as Zhejiang, Henan, and Hubei have successively developed bag-cultivated shiitake mushrooms with success. Quick-frozen storage of shiitake mushrooms has become an indispensable and important preservation technique in the production and sales chain. Quick-frozen storage of shiitake mushrooms is simpler and more convenient than that of button mushrooms. Generally, fresh mushrooms are pre-cooled in ice water, removed and drained, then quickly placed in an ultra-low-temperature ice storage at -50 to -60°C for quick-freezing, and then placed in a cold storage at -18 to -24°C for preservation, through
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Detailed Explanation of Preservation Methods and Technical Key Points for Edible Mushroom Stock Cultures
Edible mushroom mycelium reproduces quickly and is prone to mutation, making strain preservation relatively difficult. Four effective and easy-to-implement methods are introduced here. 1. Liquid paraffin preservation method: After sterilizing liquid paraffin under high pressure, place it in an incubator for several hours, or in a desiccator for several days. Use a sterile pipette or syringe to draw up the liquid paraffin and inject it into the culture tube. The injection volume should be about 1 cm above the tip of the slant. Plug with a cotton plug, seal with wax, and store upright in a low-temperature place. It can be preserved for 5 years. 2. Wheat bran preservation method: Weigh a certain amount of wheat bran, add water or nutrient solution and mix well
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Key Technical Points for the Early-Stage Operation of Edible Mushroom Growing Substrate
Preparing a good edible mushroom growing substrate is very important, as it directly affects the growth of the edible mushrooms and the grower's returns. Here I will use the preparation of growing substrate with Jinbaobei fermentation agent as an example to introduce the key operating points. 1. Material preparation: Prepare Jinbaobei edible mushroom substrate fermentation aid at 0.1% of the substrate weight (that is, one part per thousand; if discarded substrate is being reused, it may be added at 0.2%); pre-soak or rinse the crushed or cut main material in advance to pre-wet it, and adjust the moisture to 60-70% and the pH to about 8. If the moisture is too low, it is not conducive to the rapid reproduction of functional microorganisms,
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Detailed Explanation of Key Technical Points for Ganoderma Harvesting and Processing
1. Harvesting and drying. Under normal conditions, it takes about 20 days from the appearance of the primordium to the maturation of the cap. When the cap is fully expanded, releasing a large number of spores, the white edge has disappeared, the thickening is not obvious, and the cap color is crimson red (red Ganoderma), with uniform color, it can be harvested. After harvesting, promptly cut off the culture medium adhering to the base of the stipe from the fruiting body, dry it in sunlight, or place it in a drying room for drying, with the temperature controlled at 55-65°C, until the moisture content of Ganoderma is about 12%. The moisture content of fresh Ganoderma is usually 63%, and the drying ratio is generally 40%-
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