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A Detailed Guide to the Prevention and Integrated Treatment of Spinach Downy Mildew
The disease is caused by a fungus called spinach downy mildew (Peronospora farinosa f. sp. spinaciae). It mainly affects the upper surface of the leaves; the lesions are pale yellow, irregular in shape, vary in size, measure 3-17 mm in diameter, and have indistinct edges. After the lesions expand, they join together into patches, and in the later stage turn brown and die, while a grayish-purple mold layer forms on the lesions on the underside of the leaves. The disease spreads from the outer leaves...
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How to prevent and control downy mildew in spinach? Detailed explanation of prevention and integrated treatment methods
The disease is caused by a fungus called spinach downy mildew. It mainly affects the upper surface of the leaves; the lesions are pale yellow, irregular in shape and varied in size, with a diameter of 3-17 mm and indistinct edges. After the lesions expand, they join together into patches, and in the later stage they turn brown and the leaves die; on the underside of the leaves, a grayish-purple mold layer forms on the lesions. The disease spreads from the outer leaves...
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What to Do About Nitrogen Deficiency in Spinach? Detailed Control Measures
Nitrogen deficiency in spinach: leaves are pale green, the basal leaves (older leaves) turn yellow and this gradually spreads upward, and they turn brown when dry. Plants are stunted, with few branches (tillers), and show premature aging. Control method: apply sufficient base fertilizer, with 2000-3000 kg of decomposed manure, 30-35 kg of phosphate fertilizer, and 10-15 kg of potassium fertilizer per mu. 2-...
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What are the technical measures for spinach sowing management?
After sowing spinach, fasten the greenhouse cover properly. Generally, two waterings are needed for full emergence; 10 days after emergence, water again. Once the two true leaves of spinach unfold, the leaf number, leaf weight, and leaf area increase rapidly. Before 3 to 4 leaves, keep the soil moist, apply 25 kg of ammonium bicarbonate per mu, shallow hoe once, thin out overly dense seedlings, and control water appropriately. In November around "Minor Snow"...
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How to overwinter and protect spinach seedlings in the north? Key technical points explained in detail
Celery, also known as Western celery, foreign celery, or American celery, is planted in autumn in the Shuyang area. The average yield per mu is 3000-4000 kg, and high-yielding fields can reach 5000 kg per mu. Its high-yield autumn cultivation techniques are briefly described as follows: 1. Select good varieties for sowing. Choose varieties that bolt late, have strong stress resistance, are not prone to softening, and have thick, solid stalks...
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Key Points of Autumn Spinach Planting Techniques and a Detailed Explanation of Management Methods
Autumn Spinach Planting Techniques
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How to grow sweet spinach in pots? Planting tips for non-bitter summer spinach
Spinach is suited to growing in cool weather, and it contains very rich vitamins, making it very suitable for salads, but in hot weather the taste of spinach becomes very bitter. The best time to plant spinach...
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Grow water spinach as a potted plant at home: it sprouts in 1 week, grows back after pruning, and you simply cannot eat it all
Growing flowers on a balcony only lets you admire their form and scent, while growing vegetables on a balcony lets you admire their form, enjoy their scent, and taste their flavor. While purifying the indoor environment, you also harvest green, healthy organic vegetables, and their nutrition and taste are far beyond what you can buy at the market...
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Detailed Explanation of Spinach Fertilization Methods and Technical Key Points
Spinach Fertilization Methods
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What kind of growing environment does spinach cultivation require?
The growing environment for cultivating spinach
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