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How to prevent frost damage in plum trees? Key technical points for frost prevention when growing plum trees
Frost injury and freeze damage refer to the phenomenon in which the soil and plant surface temperatures drop to 0°C or below 0°C for a short time at night during the growing season, or when frost occurs, causing damage to the young and tender parts of fruit trees. In China, the average annual area affected by frost damage reaches 340,000 km2, and in the worst year it reached 7
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Plum Seed Sowing and Seedling Raising Methods and Key Points of Seedling Stage Management Techniques
Plum Seed Sowing and Seedling Raising and Seedling Stage Management Methods: 1. Nursery Site Selection The nursery site should be selected in a place with flat terrain and loose, fertile soil. Before winter, irrigate first and plow deep. In late March, prepare the land and lay plastic film. The plastic film is best laid in a north-south direction so that the seedlings can receive uniform light
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What are the key points of autumn management techniques for plum orchards?
Autumn is an important period for plum trees to restore tree vigor and accumulate nutrients in the tree body. Applying scientific management measures can increase the reserve of tree nutrients, promote further differentiation of flower buds, and lay a good foundation for high yield and high quality in the following year. Through many years of practice, whenever the management techniques of this period
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Detailed Explanation of Key Points of Plum Trellis Cultivation Technology
In recent years, the plum cultivation area in various regions has increased rapidly. Most tree shapes are natural open-center or sparse stratified forms, and pruning adopts the method of light pruning, long shoot laying, and retaining many branches. Although this has played a certain role in early fruiting, some new problems have also appeared, such as slow formation of young trees,
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Key Technical Points for Raising Hami Melon Seedlings and Planting in Autumn
1. Sowing In the Shanghai region, raising Hami melon seedlings in autumn is best done at the end of July and the beginning of August, choosing high-yield, high-quality Hami melon varieties suitable for cultivation in the Shanghai region. First dry the Hami melon seeds in a constant-temperature chamber at 40°C for 24 hours, then keep the temperature constant at a high temperature of 70°C for dry-heat sterilization
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Sharing Experience and Key Technical Points of Soilless Cultivation of Hami Melon
I. Basic construction: 1. Sand ridge: According to the width of the greenhouse, dig a groove with a slope (preferably one that allows water to flow), an inverted triangle, with a top width of about 30 cm, a depth of 40 cm, and an iron mesh laid 20 or 25 cm from the bottom of the ditch. On top of the iron mesh, lay a plastic mesh (mesh size should be such that sand does not leak through
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Control Methods and Technical Key Points for Root Rot Disease in Papaya Seedlings
Papaya root rot disease is also called papaya root rot. Symptoms: The disease mainly affects the root collar and roots, and seedlings during the nursery period and shortly after planting are more susceptible. It is especially likely when the groundwater level in the nursery site and cultivation site is relatively high or poor drainage causes waterlogging, and when the soil is highly clayey. The plant
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Key Points and Detailed Methods of Papaya (Chaenomeles) Seedling Raising Techniques
Papaya is the dried near-ripe fruit of the rose family plant Chaenomeles speciosa (Sweet) Nakai, also known as wrinkled-skinned papaya, mainly produced in Shandong, Anhui, Sichuan, Hubei, Yunnan, Shaanxi and other provinces, with functions of relieving cough and spasms, clearing summer heat and promoting diuresis, relaxing muscles and activating collaterals, and harmonizing the stomach and
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How can cotton be grown well? Key points of planting management techniques
To grow cotton well, you should master the following key techniques. I. Strictly control the quality of sowing 1. Choose high-quality, high-yield varieties. Choose improved varieties promoted by the local agricultural technology department. 2. Sun the seeds before sowing. Choose a sunny day, spread the seeds on non-cement ground, and sun them for 4-5 days to
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Key Technical Points for Pest and Disease Control During the Cotton Seedling Stage
Due to the influence of ecological conditions, meteorological factors and so on, pests and diseases during the cotton seedling stage are characterized by many species, rapid development and severe damage, often causing missing seedlings and broken rows in cotton fields, and in severe cases, large areas of death. The main diseases that occur include black root rot, red rot, damping-off, anthracnose
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