How to plant sweet potatoes in autumn? Master these technical key points

1. Before sowing, plow the land and deepen the plow layer to improve soil aeration, which is conducive to tuber enlargement. Apply sufficient basal fertilizer, mainly organic fertilizer, combined with nitrogen, phosphorus and potassium fertilizers; at the same time, spray New High-Fat Film to improve fertilizer efficiency, preserve soil moisture and prevent soil compaction.

2. Select excellent disease-resistant varieties, plant early at the right time, and use rational close planting. Strengthen field management, apply nitrogen fertilizer lightly, and spray an 800-fold dilution of New High-Fat Film to improve nutrient utilization; before sweet potato flowering, at the young fruit stage and at the tuber enlargement stage, spray Diguo Zhuangtiling respectively to increase the development speed of underground fruits and promote high and quality yields of sweet potatoes.

3. During the sweet potato growing period, diseases and pests such as black spot disease, stem rot, white grubs and click beetles are prone to occur. Targeted pesticides should be used promptly to kill them and protect the healthy growth of sweet potatoes.