When is the autumn sweet potato planted? Autumn sweet potato growth cycle is not long, cultivation management is relatively simple, generally in the fall, many farmers will use the free field to plant autumn sweet potatoes, autumn sweet potatoes not only short cycle, high yield per mu. Let's take a quick look at the high-yield cultivation points of autumn sweet potato.
First, the selection of good varieties
It is recommended to plant these varieties: the stem-curved variety Xiangshu 18, the fruit sweet potato yellow rose, the purple potato variety Zijinshu 1-3, the high-starch variety Xushu 22, Ys86, Ys14 and the edible variety Xiangshu 17 19th, 15th, etc. In fact, the varieties that can be planted in large areas are suitable for seedlings of autumn potatoes. However, as the temperature in autumn decreases slowly, it is necessary to select early-maturing high-yield varieties with early potato yield, high yield and strong resistance.
Second, grab the time to plant early
Autumn sweet potatoes should be planted early, and it is best to plant them before the "heat". If you are planting autumn potatoes in early rice fields and mid-rice fields, you should ditch the ditch after the seeds are scattered in the rice, and open the ditch immediately after harvesting. Then plant the autumn potato. This is actually to do a good drain to prevent the occurrence of wet damage.
Third, reasonable close planting
The growth cycle of autumn potato is not long, but the individual development is poor, so it is mainly based on the group to increase production, that is to say, it is better to increase the planting density when planting autumn sweet potato, such as 5000 plants per mu.
Fourth, strengthen management
In the process of autumn sweet potato production, it is generally necessary to cultivate twice. The time of the first cultivating is carried out after the autumn potato seedlings survive. The second cultivating is carried out about 20 days after the insertion, and it is also necessary to follow the growth of autumn potato seedlings. Apply a compound fertilizer.
If the autumn potato encounters long-term drought during planting, it usually needs to be irrigated 1 or 2 times. The place with good water source is more cultivating or adding organic fertilizer. The time for irrigation is best in the morning or evening, and the irrigation time should not exceed four hours. Remember to loosen the soil once after each irrigation to prevent evaporation of water.
V. Pest Control
The insects that are more likely to be encountered during the cultivation of autumn potatoes are golden flower worms, sweet potato hawk moths and sweet potato striata, and everyone remembers to spray drugs in time.
The above is the autumn sweet potato cultivation method that we have compiled for you today. Do you have anywhere to look for? If you think Hui Nong.com is not bad, you can download the mobile phone Huonong APP or recommend it to more farmers in need!
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