What are the reasons for the traditional sweet potato turn vine, how to plant can not hurt the leaves yield high?

Sweet potato in our China should be regarded as a very traditional thing, it has a sense of satiety, and the yield is also relatively high so the sweet potato in the year is also considered a life-saving thing! And along with it comes a problemthat is, every year from July to September, people will turn the sweet potato. So why do sweet potatoes need to be vined?

In fact, there are many reasons why sweet potatoes need to be turned, one is that it has been passed from one generation to another so that a tradition has been formed, another is that there is no other way, and the last one is for the yield of sweet potatoes. Because if the sweet potato does not turn over the vine, then its diameter knot is not able to set the root, resulting in sweet potato is relatively small. So, people have thought of a lot of ways to plant without hurting the leaves and ensure its high yield.

01: Give sweet potato leaves to pigs.

Many people may have this experience, in the past in the countryside will see the family to work on the way some of the sweet potato vine off to bring home, and then chopped with a knife, put in the pot to cook a boil, to the pig to eat. Other people will put the sweet potato vine inside the altar to make sauerkraut, which is also very delicious!

02: prevent it from growing.

Sweet potato in with the rising temperature, wait until after the day of ambrosia, sweet potato trails will grow very fast, if this time is also accompanied by rainfall, trails will be subject to some of the impact of intertwining together, so that they are growing at the same time intertwined cover the thickness of up to 25 centimeters or more, and at this time in the bottom of the leaves will be withered, so it is not so uniform! . Because, regular turning sweet potato vine can help sweet potato improve the growth of some of the environment, so that he can follow the normal direction of development, but also can get more nutrients. After turning the vines, they will change the direction of their growth, thus reducing the plant's growth rate is too fast!

03: Increase yield.

Sweet potato knot a lot of small sweet potatoes does not mean that it will yield high, for sweet potato yield high will need a good condition, first of all to ensure that the sweet potato trails vines can not be overlapped together, and then reduce the ground humidity, to prevent some pests and diseases. makes the tubers can get bigger, prolonging the time to get bigger.