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More summer cultivation of chives
Chives are a popular vegetable known for their strong flavor and nutritional value. However, during the summer season, chive growth often declines due to high temperatures, leading to lower yields and poor quality. To address this issue, the Vegetable Research Institute of Xinghua City has developed a series of advanced cultivation techniques that allow for improved production and better-quality chives, with yields exceeding 2000 kilograms per mu.
To begin with, selecting the right soil is crucial. The planting area should have good drainage and irrigation facilities. It's important to avoid continuous cropping of chives; instead, it's recommended to rotate with leguminous or cruciferous crops. After harvesting, the field should be plowed, tilled, and left to dry for about a week. Then, apply 2000–2500 kilograms of organic manure per acre, along with 25 kilograms of specialized organic fertilizer for vegetables. The beds should be 1.5 to 2 meters wide and 20 to 30 centimeters deep, with a depth of 15 to 20 centimeters.
For transplanting, choose healthy seedlings with thick stems and a strong root system, preferably with at least three fibrous roots. Transplant from May to July, spacing plants 13–15 cm apart, with 12–13 cm between individual plants. Place 2–3 plants in each hole, and ensure the planting depth is around 2.5–3 cm. After watering, the plants will establish quickly.
Before transplanting, it’s beneficial to cover the bed with a thin layer of rice straw to help retain moisture and reduce heat stress. If possible, use shade nets to further protect the young plants. Alternatively, you can plant taller crops like corn within the chive field, keeping the density at around 200 plants per acre. Another option is to intercrop with fragrant onions in narrow rows alongside semi-tall crops such as ginger.
Fertilizer management plays a key role in successful chive cultivation. Once the plants are established, apply diluted manure or 5 kg of urea per acre to promote growth. Fertilization should be done in small, frequent doses—every 12–15 days, applying 5–8 kg of urea and 4–5 kg of potassium chloride per acre, combined with irrigation. About 15–20 days before harvest, increase the urea application to 15–20 kg per acre, and spray bio-preparations like Zhuang Sanqiu and amino acid fertilizers to enhance quality and yield.
Common diseases affecting chives include downy mildew, purple spot, rust, and soft rot. These can be controlled using fungicides such as chlorothalonil, metalaxyl-zinc, triadimefon, and streptomycin. Insect pests like the oriental armyworm, cotton bollworm, thrips, and leaf miners require regular monitoring. Control methods include manual removal, sticky traps, and other cultural practices. For root pests, water irrigation can be effective. Before transplanting, apply 1.5–2 kg of 90% trichlorfon per acre mixed with fine soil. Additionally, apply 125 ml of 33% Shida per mu before planting to prevent weeds. During the growing season, if weeds become a problem, apply herbicides like weed grass or fine oil when weeds have 2–4 leaves.
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More summer cultivation of chives