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Watermelon pods and vegetables are good
In the summer and autumn seasons, spinach and watermelon cultivation can be efficiently managed with timely fertilization. After August 20, it's ideal to plant heat-resistant and fast-growing varieties like Danish Fast Green or Denmark Spinach. These are sown using a trenching method, with about 1.5 kg of seeds per mu. The plants typically reach market readiness within 40 days and can be harvested three times before the Spring Festival. At this time, other crops struggle due to high temperatures, but these spinach varieties thrive, producing thick, dark green leaves with high yields—making them highly popular in the market.
For Xiaqiu Cabbage, the variety Xialv 55 is an excellent choice. It’s early-maturing, heat-resistant, and fast-growing, with strong resistance to soft rot. Sowing can begin from May to August, and seedlings can be transplanted 10 days after the watermelon harvest. About 3,500 to 4,000 plants per acre are recommended. Winter Yuyi cabbage, which is high-yield and disease-resistant, is ideal for late-summer planting, sown in mid-August and harvested in November, making it a perfect companion crop for late-season watermelons.
Autumn cauliflower is best started from late June to early July, with transplanting in late July to early August. Choosing heat-resistant varieties such as Snow White or Snow Jade ensures good growth. After watermelon harvesting, about 2,500 plants per acre are planted. Proper pest and disease control, along with sufficient fertilizer, is essential for optimal results.
For autumn cabbage, varieties like Moyu 50, Pu Wei at First Sight, FS Winter Green, and FS Chief are suitable. Seedlings are raised from late June to mid-July, with a 25-day seedling age. After watermelon removal, ridges are prepared and transplanted. 3,000 to 3,500 plants per acre are ideal. Once seedlings are established, proper fertilization and irrigation should be maintained, and drainage is crucial after rain to prevent soft rot. Moyu 50 can be harvested around day 50, when off-season prices are high, while FS Winter Green offers continuous harvests from November to March.
Winter onions, such as New Moyu Winter Onions, are planted in June, following watermelon harvest. Spacing is 80–100 cm between rows and 3 cm between plants, totaling about 25,000 plants per acre. These onions can be marketed before and after the Spring Festival, providing a steady supply until April 20th of the next year, offering great profitability during off-season periods.
For autumn cucumbers, varieties like Yuyisheng, Luyiyi, and Yuyi Longxiang are recommended for their heat and disease resistance. Sowing is done from early July to early August, with spacing of 60–70 cm between rows and 30 cm between plants. A density of approximately 3,500 per mu is ideal.
Carrots are best grown from high-quality varieties like Rookie Three-Red, Hundred-Day Red Crown, and Show Red Authentic. Sowing is done in late July, either by broadcasting or drilling, with 25–30 cm spacing. Approximately 300–450 grams of seeds per mu are used. Weeding with herbicides like oxathione or Shi Tian is done three days after sowing. Carrots take about 100 days to mature, and can be harvested from November to January, allowing for staggered sales.
Finally, for autumn zucchini, after watermelon harvest, fine soil preparation is essential. Transplanting or direct seeding is done in mid-August. Heat-resistant and disease-resistant varieties like Zhenyu 9, Zhenyu 10, and Zhenyu 80 are preferred, with about 1,500 plants per acre. During flowering, fruit setters are applied to enhance fruit set, while attention is given to controlling powdery mildew and silver leaf diseases. Imidacloprid is used to manage aphids and prevent virus transmission.
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