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Detailed Explanation of Hanging Vine Cultivation Techniques for Watermelon in Solar Greenhouses
Cultivation seasons: Early spring cultivation. Sow and raise seedlings in mid-to-late February, seedling age 35-40 days, use heated seedling raising, transplant into the greenhouse in early-to-mid April, go to market in early June. Autumn delayed cultivation. Sow in late July, seedling age about 20 days. Cover the greenhouse film in early September, add heat-preserving straw curtains in late September, go to market around October. Winter-spring cultivation...
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Detailed Explanation of Pollution-Free Cultivation Techniques for Strawberries in Plastic Greenhouses
(1) Variety selection: Choose varieties with early flower bud differentiation, shallow dormancy, and good cold resistance in low-temperature seasons, such as Chunxiang, Fengxiang, Lihong, Mingbao, Jingbao, Nyoho, and Hokowase. (2) Cultivating strong seedlings: 1. Carefully select mother plants. In March-April of the current year, select plants from the strawberry production greenhouse with vigorous growth, good inflorescence fruiting, few deformed fruits, well-developed root systems, and no pests or diseases as mother plants. Plant them in a dedicated seedling nursery to cultivate and propagate runner seedlings. Apply 2000-3000 kg of organic fertilizer and 10 kg of compound fertilizer per mu in the nursery. Make beds 2 m wide, with a planting row spacing of 1 m and a plant spacing of 0.3-0.4 m. After they establish, apply nitrogen fertilizer as early as possible, keep the soil moist, and remove all inflorescences that appear to promote runner growth.
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What are the methods for preventing and controlling deformed strawberries in greenhouses?
Using greenhouse cultivation is a good way to increase strawberry yields and income. However, because greenhouse cultivation is highly technical, especially during winter and early spring, when temperatures are low, light is weak, and the climate is changeable, improper management often leads to many abnormal fruits that are too thin, too fat, curved, flat in shape, or uneven on the surface...
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How to remedy potassium and magnesium deficiency in greenhouse strawberries
I. Potassium deficiency: The symptoms of potassium deficiency in strawberries often appear first on the newly matured upper leaves. Black, brown and dried edges often appear on the leaves and then become scorched, and it also spreads toward the center between the veins of most leaves, with old leaves being severely affected. Light intensifies leaf scorch, so potassium deficiency is often confused with "sunscald"...
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How to remedy nitrogen deficiency in greenhouse strawberries? Practical methods shared
Generally, when nitrogen deficiency begins, the leaves during the vigorous growth period gradually change from green to light green. As the nitrogen deficiency worsens, the leaves turn yellow, with localized scorching, and are slightly smaller than normal leaves. As the degree of nitrogen deficiency intensifies in young leaves, the leaves become even greener. The petioles and calyxes of old leaves appear slightly red, and the leaf color is paler or shows a jagged bright red...
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Causes and Control Methods of Deformed Strawberry Fruit in Greenhouses
During the cultivation of greenhouse strawberries, fruits often appear overly fat or overly thin, with deformed shapes such as cockscomb-like or flat forms. Such fruits not only affect strawberry quality but also reduce their commercial value. In order to reduce or even avoid the formation of such deformed fruits, the author now introduces the causes and control methods as follows:...
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Disease Prevention and Control Measures and Technical Key Points for Greenhouse Strawberries
Strawberry leaf blight mainly affects leaves, petioles, fruit stalks and calyxes. 1. Symptoms. In the early stage of the disease, small dull dark purplish-brown spots appear on the leaves, which then expand into irregular lesions; the color of the lesion edges and centers changes little, and the symptoms of this disease are difficult to distinguish from those of brown spot disease in its early stage. Brown spot disease and leaf blight...
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What causes autumn yellowing in citrus? Causes and solutions
Causes and solutions of autumn yellowing in citrus
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What to Do About Low Fruit Set in Pomegranates? Cause Analysis and Solutions
Causes of Low Fruit Set in Pomegranates and Solutions
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What to Do About Poor Apple Coloring? Cause Analysis and Solutions
Causes of Poor Apple Coloring and Solutions
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