Causes and matters needing attention of rattan turning of sweet potato

Sweet potato is a common crop in our life, nutrition and delicious, sweet potato varieties are more, sweet potato is a kind of vine crop cutting propagation, the main stem can grow to more than 1 meter, stem nodes easy to grow adventitious roots. And these adventitious roots will grow a lot of small and small sweet potatoes, low quality, in the sweet potato field management, do not turn the vine let many people headache, then sweet potato do not turn the vine? Let's take a look.

Do sweet potatoes need to be turned over?

When the sweet potato tuber expands, it is very necessary to turn the vine. By turning the vine, the aerial roots in the sweet potato vine can be cut off from contact with the soil, which can reduce the absorption of nutrients by the sweet potato vine, prevent the vine from growing vigorously, and compete with the tuber for nutrients. It can also concentrate nutrients on root tuber, promote root tuber to absorb nutrients, promote root tuber expansion and growth, and increase yield obviously.

Second, sweet potato vine precautions

1. Turn the vine early

It is advisable to turn the vine within one month after the cutting survival of potato vine, because at this time the potato stem has not caked, the potato vine is in the peak of germination, and the vine stem and leaf damage is less when turning the vine. When turning the vine, you should choose sunny afternoon or cloudy day, which can reduce water evaporation, and can be carried out simultaneously with intertillage weeding and topdressing. If conditions permit, you can spread a layer of straw or weeds on the potato soil, which can prevent the potato vine from "taking root" and help keep water and drought resistance.

2. Turn the vine moderately

Turn the vine must pay attention to a degree, not "turn over", turn over once is appropriate, the spring and autumn season temperature is higher, the light is stronger, it is the period of vigorous growth of potato vine, but also the period of root swelling, if this is caused by turning the vine stem and leaf damage, plus strong sunshine, turned over potato vine stem and leaf is easy to be sunburned. If the vine is turned over in rainy days, it is easy to cause the vine wound to rot, and then induce various pests and diseases of sweet potato, which is not conducive to yield and quality.

The above is the sweet potato vine reasons and precautions introduced, I hope to help you, want to know more about the relevant knowledge, please pay attention to us.