During the early autumn season, selecting the right vegetable varieties is crucial. The temperature and moisture levels in the nursery can fluctuate significantly during this time, and the conditions in the later period often involve lower temperatures and less sunlight. Therefore, it's important to choose cultivars that are adaptable, disease-resistant, cold-tolerant, and high-yielding to ensure successful growth.
At the seedling stage, it's essential to be cautious of the risks posed by high temperatures and heavy rainfall. These environmental factors can hinder seedling development and create favorable conditions for pests and diseases. To mitigate these issues, shade nets and insect-proof nets should be used in the nursery to protect young plants from extreme weather and unwanted insects.
Pest and disease control is another critical aspect of autumn seedling care. Using pest control nets can effectively prevent infestations, while frequency-vibration insecticidal lamps can trap and eliminate pests such as cutworms, reducing their population. It's also recommended to use environmentally friendly, low-toxicity pesticides to maintain a healthy growing environment without harming beneficial organisms.
Fertilizer management plays a key role in ensuring the healthy development of seedlings during late autumn. Proper control of both water and fertilizer application is necessary to avoid excessive growth, which can weaken the plants and make them more susceptible to diseases. Maintaining a balanced nutrient supply will promote strong, resilient seedlings ready for transplanting.
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