How to plant sweet potatoes in autumn? A detailed guide to the planting method
How do you plant sweet potatoes in autumn? Please explain the method. To plant autumn sweet potatoes, you can refer to the following method: 1. Seed potatoes: use sweet potato vines from spring or summer sweet potato regions. You can cut the vines in the field, cut the top 5 nodes of the vine, insert the basal 3 nodes into the soil at a 45-degree angle, leaving the top 2 nodes exposed, and plant about 5,500 plants per mu. Then...
How do you plant sweet potatoes in autumn? Please explain the methodTo plant autumn sweet potatoes, you can refer to the following method:
1. Seed potatoes: use sweet potato vines from spring or summer sweet potato regions. You can cut the vines in the field, cut the top 5 nodes of the vine, insert the basal 3 nodes into the soil at a 45-degree angle, leaving the top 2 nodes exposed, and plant about 5,500 plants per mu. Then immediately press the soil around the seedlings firmly and water them.
2. Fertilization: before planting, apply sufficient base fertilizer, about 2,500 kg of high-quality farmyard manure per mu. 5-7 days after planting, apply 5-8 kg of ammonium bicarbonate per mu as a top dressing; 40-70 days after planting, depending on the seedlings, apply a tuber-promoting fertilizer mainly of potassium fertilizer, together with an appropriate amount of nitrogen fertilizer as a top dressing, applying 100 kg of plant ash or 6 kg of potassium sulfate and 5 kg of urea per mu; for fields with early yellowing and premature aging of leaves, promptly apply a vine-growing fertilizer as a top dressing, applying 500-600 kg of human and livestock manure per mu. The fertilization method is to pour it along the cracks at the top of the ridges, or use 200 g of potassium dihydrogen phosphate plus 500 g of urea mixed with 40 kg of water, and spray it on the leaves twice.
3. Strengthen field management, and pay attention to drought resistance and drainage.
4. Harvest at the right time, improve the high-quality rate of marketable sweet potatoes, and ensure quality.
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