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Harmless production technology for early spring potato-stevia-autumn cabbage
This spring has seen more low-temperature and low-light days, which favors the occurrence of cabbage sclerotinia rot. Vegetable growers are urged to take control measures early to reduce the damage. 1. Symptoms and characteristics: After seedlings are infected, water-soaked light brown lesions appear on the leaves, with indistinct edges, and the diseased tissue soft-rots, causing damping-off. When plants are infected during the head-forming stage, on the stem bases near the ground...
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Detailed Explanation of Key Technical Points for Raising Muskmelon Seedlings in Early Spring
To prepare the nutrient soil, use fertile soil that has never been planted with melons or vegetables and fully fermented and decomposed chicken manure or human waste, sift and mix them thoroughly at a ratio of 7:3. For each cubic meter of nutrient soil, add 2.5 kg of superphosphate, 0.5 kg of potassium sulfate, and 15-20 g of 95% hymexazol. To build an electric heating hotbed, 24-26 sq m of seedbed is needed per mu of field. The seedbed is wide 1...
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What causes premature bolting in spring cabbage
Cabbage is a vegetable that loves fertilizer and tolerates it well. Generally, about 35 days after transplanting, the plant's uptake of nitrogen, phosphorus, calcium and other elements reaches its peak, while potassium uptake peaks at 50 days. Before reaching the peak values, the plant's fertilizer uptake basically shows a straight upward trend as the growth period progresses. Cabbage at different growth stages has different...
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Detailed Explanation of Key Techniques for Spring Cabbage Cultivation
1. Timely sowing. Timely sowing is one of the important technical measures in spring cabbage cultivation. If sowing is too early, the seedlings grow larger, and continuous low temperatures in early spring cause the seedlings to pass through the vernalization stage too early, making premature bolting likely. Conversely, if sowing is too late, the maturity period is delayed, affecting economic returns. In the Hangzhou area, sowing is generally carried out in February...
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Detailed Explanation of Key Techniques for Spring Purple Cabbage Cultivation
Purple cabbage is a variety of cabbage, grown for its purplish-red heads. It originated along the Mediterranean to North Sea coasts of Europe, prefers cool conditions and is fairly cold-tolerant, and can be cultivated both in the open field and under protected conditions. It has the characteristics of firm heads, bright color, strong adaptability, high yield and good quality. In the Nanjing area, spring purple cabbage cultivation is sown from mid-December...
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Key Points of Pest and Disease Control Techniques for Spring-Planted Purple Cabbage
Pest and disease control: As long as management is proper, purple cabbage generally has few diseases, so it is easy to produce pollution-free products that can be eaten raw. Purple cabbage may only suffer from seedling-stage diseases such as damping-off and downy mildew when humidity is high during the seedling stage, which can be controlled with pesticides such as Yunsheng, Dasheng, carbendazim, Xinluling, and Anke. Pests...
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Integrated control methods for three pests of spring soybean
I. Cutworms. The main pest damaging local crops is the yellow cutworm (Agrotis segetum). 1. Damage characteristics: The larvae mostly bite off seedlings at ground level, causing missing plants and broken rows. After the main stem becomes lignified, they feed on the epidermis of the roots near the ground surface, causing root damage that affects the root's ability to absorb water, causing the plant to gradually wilt and die. ...
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Detailed Explanation of Key Points for Spring Cabbage Cultivation Techniques
Cabbage has the characteristics of low input, labor-saving, effort-saving, and high yield, and is widely cultivated in the plain areas of our province. Dingzhou City, Baoding, has a perennial planting area of more than 30,000 mu of early spring cold shed cabbage and open-field cabbage. Right now, the season for raising early spring cabbage seedlings has arrived again. To help everyone do a good job in seedling raising and lay the foundation for a bumper harvest this spring...
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How to fertilize spring cabbage? Mastering its nutritional characteristics is key
The early-maturing cabbage grown in Changde is deeply favored by consumers for its firm heads, high proportion of clean edible leaves, and high quality and pollution-free nature, with a yield of 4000--4500 kg per mu and an economic benefit of more than 2000 yuan. Its cultivation techniques are described as follows: 1. Sowing and raising seedlings 1.1 Seedling raising time. In order to harvest early, generally in December...
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How to grow strong seedlings of spring cabbage? Detailed explanation of technical management measures
Currently it is the seedling-raising period for spring cabbage, and the following technical key points should be grasped in production. Select good varieties: choose selected 8398, Chungang No. 2, Chungang No. 3 and other varieties with strong cold resistance, disease resistance and strong winter hardiness. Prepare the seedbed: choose a field with fertile soil that has not grown cruciferous vegetables in the previous year as the seedbed, ...
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