Thick-skin muskmelon double-film covering live technology
2025-07-16 09:21:37
Through a three-year experiment and a two-year demonstration, Qianyang County in Shaanxi Province implemented a simple land-protection technique known as "double film covering and priming live." This method has significantly improved the production of thick-skinned melons, resulting in high yields and profitability. The fruit matures earlier, typically by early July, with notable improvements in quality and economic returns.
The sugar content of the melons increased from 14.3% to 16.1%, while the yield per mu rose from 2,830 kg to 4,380 kg. Additionally, the output value jumped from 2,745 yuan to 4,248 yuan, representing a 54.8% increase. These results highlight the effectiveness of this innovative agricultural approach.
First, selecting suitable varieties is crucial. Farmers should choose early or mid-early maturing varieties that are adaptable, disease-resistant, and have high yield potential. Varieties such as "Pan Xue 6," "Zheng Tian 1," "Marshal," "Xian Yuan," and "Silver Xiang" have shown excellent performance, good quality, and high productivity. Seed rates vary depending on seed size: 100–150 grams per acre for small seeds and 150–200 grams for large seeds.
Next, land selection is key. The chosen area should be elevated, sunny, well-drained, and have deep, fertile sandy loam soil that hasn’t been used for melon cultivation in recent years. Fertilization per mu includes 3,500–5,000 kg of high-quality livestock manure, 50–75 kg of mature oil residue fertilizer, and 75–100 kg of vegetation ash. A balanced fertilizer mix consists of 25–30 kg of urea, 35–50 kg of superphosphate, 25–30 kg of potassium sulfate, and 0.2 kg each of zinc sulfate, borax, and magnesium sulfate.
Ridging specifications involve creating ridges 2 meters apart, 1 meter wide, with a center furrow 20–25 cm deep and 8–10 cm high. Fertilization is done by opening trenches 70–80 cm wide and 30–35 cm deep, placing ash at the bottom, followed by compost and fertilizer. Insecticides like 50% ground fungus powder (0.15–0.2 kg per mu) are applied for sterilization before mixing the soil thoroughly.
Plastic film is then placed over the ridges, 1.2–1.4 meters wide, tightly secured to retain moisture and warmth, promoting healthy seedling growth. The plastic film covers about 3.5–4 kg per acre.
Seed treatment involves dry heat at 70°C for 72 hours, followed by disinfection using 50% carbendazim wettable powder diluted 500 times for one hour. Soaking the seeds in 52–55°C warm water for 6–8 hours helps promote germination, which is further enhanced by placing them in a warm, moist environment for 24–36 hours.
Sowing takes place between late March and early April when the 5 cm soil temperature stabilizes above 12°C. Seeds are sown in double rows, spaced 50–60 cm apart, with 1,100–1,300 plants per acre. Holes are dug on the mulched film, and a small amount of trichlorfon solution is poured in before planting two germinated seeds per hole.
Arch sheds are then installed using bamboo poles and plastic films to protect the young plants. Temperature management is essential—ventilation begins when temperatures exceed 35°C, and the shed is removed after 7–10 days.
Field management includes pruning to encourage strong vine growth, proper watering, and fertilization during critical growth stages. Watering is limited during flowering and controlled after fruit enlargement to enhance sweetness and quality.
Melons are harvested when they reach peak ripeness, with timing and techniques carefully chosen to maintain freshness and marketability. Pest control measures include regular spraying for downy mildew, powdery mildew, and virus diseases, along with targeted treatments for earthworms, aphids, and locusts.
This comprehensive approach has proven highly effective in boosting both the quantity and quality of melon production, offering farmers a sustainable and profitable solution.
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Flavonoid powder can be mainly divided into the following categories:
Flavonols: such as quercetin, kaempferol, etc., are mostly found in vegetables, fruits, and tea, with antioxidant, anti-inflammatory, and other effects.
Flavonoids: such as apigenin, widely distributed in plants, have certain benefits to the cardiovascular system.
Flavanones: such as hesperidin, etc., with antioxidants, blood lipid, and other functions.
Isoflavones: such as soy isoflavones, which are mainly found in legumes, have important implications for women's health, such as regulating estrogen levels.
Anthocyanins: such as centaurin, geranium, etc., make the plant show a rich color, with strong antioxidant activity.
Flavonols: such as quercetin, kaempferol, etc., are mostly found in vegetables, fruits, and tea, with antioxidant, anti-inflammatory, and other effects.
Flavonoids: such as apigenin, widely distributed in plants, have certain benefits to the cardiovascular system.
Flavanones: such as hesperidin, etc., with antioxidants, blood lipid, and other functions.
Isoflavones: such as soy isoflavones, which are mainly found in legumes, have important implications for women's health, such as regulating estrogen levels.
Anthocyanins: such as centaurin, geranium, etc., make the plant show a rich color, with strong antioxidant activity.
Different types of flavonoid powders differ in structure and biological activity, and together they play an important role in human health.
In general, flavonoid powder is relatively safe at normal doses.
Flavonoid powder has certain antioxidant, anti-inflammatory, and other biological activities, which may be beneficial to human health.
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Shaanxi Changsheng Industrial Co., Ltd. , https://www.cncsbio.com