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High-Efficiency Cultivation Technique for Multiple Cropping of Winter Lettuce Followed by Early Spring Peppers in Greenhouses
For lettuce, choose the disease-resistant, high-yielding, cold-tolerant lettuce variety Shuiguasi. Sow and raise seedlings in a small arch shed from late August to late September. After sowing, lower the temperature during the day by ventilating the shed film from the bottom and covering with a shade net; on rainy nights, cover the shed film properly. From pricking out to the seedling recovery stage, shade during the day to create an ambient temperature suitable for lettuce growth...
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What does "it does not bloom until it meets a true friend" mean? Interpretation of the meaning and saying
I am like the sweet flag grass, let no young colt taste it. Gladly meeting a fine festival day, it emerges from the valley to see the sunlight. The rush grass is as tough as silk, the great rock does not shift. The earliest cultivation of sweet flag in China can be traced back to the Western Han dynasty; in the Tang and Song periods, scholars miniaturized the sweet flag from the garden into a landscape on their desks, planting it with secluded stones...
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What does "Only the chrysanthemums by the eastern fence are cold-hardy" mean? Interpreting chrysanthemum cold-hardiness poems
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High-Efficiency Multiple Cropping Technique for Winter Lettuce and Early Spring Peppers in Greenhouses
1. Select good varieties: For greenhouse cultivation of early spring lettuce, it is advisable to choose early-maturing pointed-leaf varieties with strong cold resistance, such as Hefei pointed-leaf duck-egg lettuce and Beijing crucian carp lettuce. 2. Grow strong seedlings: Sow and raise seedlings in a greenhouse in mid-to-late January. Before sowing, first soak the seeds in clean water at 20°C for 3-4 hours, rub and wash them, then remove and drain the water, and put them into...
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Key Technical Points for Temperature and Light Control in Winter Tomato Production
Spring tomato seedling raising: because there are many low-temperature and overcast-rainy days, the seedbed temperature is low and the humidity is high, which often leads to seedling-stage diseases such as damping-off and causes seedling raising to fail. Therefore, a place with loose soil texture, fertile soil, a sunny aspect, no water accumulation, and where no solanaceous crops have been planted within 2 years should be chosen as the seedbed. Generally choose an overcast or sunny day...
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How to store tomatoes in winter? Master the correct preservation method
The key to storing tomatoes in winter is keeping them warm. Tomatoes used for winter storage are green-mature fruits harvested from plastic greenhouses with delayed autumn cultivation. Green-mature tomatoes are most afraid of low temperatures. If stored below 8°C for a long time, the fruits will suffer cold damage, with water-soaked sunken spots and browning on the surface, the area around the stem turning light brown, and in severe...
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How to raise seedlings for autumn-winter tomatoes? Key technical points explained
1. Seedbed preparation: The seedling-raising period for autumn-winter tomatoes in a solar greenhouse coincides with the hot, rainy season. The seedbed should be capable of preventing rain and waterlogging, providing ventilation, and lowering temperature. Seedlings must be raised under film-covered conditions so they can adapt to greenhouse conditions. It is best to choose a dry site with good ventilation and set up a 1.5-2 m high arched...
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How to grow overwintering tomatoes? Key points of the two-nets-and-one-film cultivation technique
In recent years, with the rapid development of protected cultivation areas, winter vegetable production has basically met market demand; conversely, the production of high-grade summer vegetables has shown a gap. Since 2001, our county has used the "two nets and one film" technique to conduct trials and demonstrations of summer tomato cultivation in greenhouses, achieving success with significant benefits...
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Intercropping and Relay Cropping Technique for Lettuce, Ginger, Watermelon and Bok Choy
1. Topdressing: generally 2 to 3 times. The first is in early to mid-June, applying 1000 kg of barnyard manure plus 15 kg of urea per mu between the rows, covered with a thin layer of soil. The second is in early to mid-July after the mother ginger is dug, applying 150 kg of decomposed rapeseed cake or 30 kg of compound fertilizer per mu; the third is in early September after the frame is removed, applying another dose of human excrement and urine to prevent nutrient deficiency...
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Detailed Explanation of Ginger and Corn Intercropping Cultivation Techniques
Ginger is a shade-tolerant crop, and high temperatures and strong light are unfavorable for its growth. Intercropping tall-stalk crops in a ginger field can make full use of the three-dimensional space of tall and short crops, provide shade for ginger, improve light energy utilization, and also improve land utilization, increasing yield per unit area. It does not affect the yield and quality of ginger, and can also...
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