Sweet potato leaves have become a new delicacy on people's table in recent years, sweet potato leaves are rich in nutrients, and in the nutrients required by the human body, sweet potato leaves are the highest content of all vegetables, sweet potato leaves have the effect of beautifying and beautifying the skin, laxing and laxative, delaying the aging process, and improving immunity. The sweet potato is the most popular vegetable in the world, and it has the highest content in all vegetables. Now many people know that sweet potato stems and leaves are rich in operating substances and trace elements can enhance the body's resistance to disease, to prevent a variety of diseases, and even studies have said that sweet potatoes have the effect of cancer prevention. Sweet potato pests and diseases, generally do not need to spray pesticides, sweet potato leaves belong to the green non-polluting vegetables. Now sweet potato leaves are also more and more favored by everyone. Sweet potato leaves are known as ? vegetable queen? Sweet Potato Leaves top ginseng?

Can sweet potato leaves be picked and sold? Will picking sweet potato leaves affect the yield of sweet potato?

The answer is yes: they can be picked and sold for money. Sweet potato leaves can certainly be picked to sell, picking sweet potato leaves after the sweet potato is affected, as long as the picking is reasonable, this effect is very small, in addition, if the sale of sweet potato leaves profit is good, the overall benefit will be higher.

In the case of normal growth of sweet potato vines or short-trailing varieties, picking sweet potato leaves, will reduce photosynthesis, affecting the growth of sweet potatoes, tuber development and expansion, the impact on yield is about 10-20%. If the sweet potato land water and fertilizer conditions are too good, the sweet potato vine grows vigorously, we can also pinch the sweet potato head, artificially control the sweet potato vine grows vigorously, reduce the use of the control drugs, so that the sweet potato is safer, and promote the transfer of nutrient growth to the underground tuberous roots. Want long pinching sweet potato head, the impact on sweet potato yield is not big, but the benefits outweigh the disadvantages.

Sweet potato leaf picking should also pay attention to these details.

(1) Sweet potato seedlings, can not be picked.

Sweet potato seedling period mainly refers to the sweet potato seedling just out of the new shoots and sweet potato transplanted within a month. Picking at this time affects the photosynthesis of sweet potato, thus affecting the nutrient absorption of sweet potato. Picking at the seedling stage of sweet potato seedlings has the greatest impact on the yield of sweet potato, even to the point of hardly growing tubers.

(2) sweet potato vine crazy long period, picking sweet potato leaves can control the sweet potato vine crazy long, can play the role of increasing production and income.

After one month of transplanting sweet potato, under the condition of suitable temperature, sufficient light condition and reasonable water and fertilizer, sweet potato vine starts to grow like crazy. At this time, sweet potato picking, sweet potato leaf picking, can control the sweet potato vine crazy growth, reduce the sweet potato vine to consume more nutrients, more conducive to the sweet potato production and income. Generally in the sweet potato vine growth to 60 cm or so, color picking sweet potato leaves, can make the sweet potato more ventilated, picking too dense sweet potato leaves can be more conducive to the photosynthesis of the sweet potato, but also at the same time can reduce the sweet potato vine to consume more nutrients, a multi-two-trick pony.

(3) sweet potato leaf decay period, sweet potato fruiting period, picking sweet potato leaves will cause sweet potato yield reduction.

Summer sweet potato generally in September began to enter the sweet potato tuber expansion period is also the sweet potato period, stop picking sweet potato leaves. Sweet potato mainly through the sweet potato stems and leaves for photosynthesis, to carry on the nutrient absorption. If you pick sweet potato leaves in the sweet potato leaf decay period, sweet potato fruiting period, will affect the expansion of the tuber, thus affecting the yield of sweet potato.

Conclusion: Sweet potato leaves are a new favorite on the table, and can certainly be picked for consumption. Because the sweet potato planting season is not the same, sweet potato leaf picking time is not the same. Generally in the sweet potato transplanted a month later can be picked, in the sweet potato tubers before the growth period can be picked, sweet potato leaves in this period of time to pick can also play a role in increasing production and income.