Cultivation techniques of sweet potato in the air
Sweet potato is a high-yielding and adaptable food crop, which is generally planted in the ground. With the development of science and technology, it can also be planted in the air. Next, I would like to introduce the cultivation techniques of sweet potato in the air.
The aerial sweet potato cultivation technology is to use the deep liquid cultivation mode to change the sweet potato from traditional soil cultivation to nutrient solution cultivation. The aquatic root system provides sufficient water and fertilizer for the plant, and the adventitious root produced by pressing the vine becomes the stored root. This cultivation technique realizes the division of work and cooperation of the root system, and planting at one time can achieve continuous potato harvest for many years.
The growth and fruiting of sweet potatoes are carried out in the greenhouse, the solar greenhouse is the most suitable, the temperature is relatively constant and easy to control. Greenhouse alone is not enough, but also need to have corresponding cultivation facilities to meet the plant roots to absorb sufficient water and nutrients. Cultivation facilities are: water culture tank, nutrient solution pool, nutrient solution pipeline, water pump, cultivation net frame, light supply system, hanging basin and so on.
The cultivation of air sweet potato in greenhouse can achieve continuous fruiting for many years, and the yield can be increased several times. With this technology, sweet potato seedlings can grow as big as they want, and they can bear potatoes wherever they want. Moreover, as long as the potato seedlings are preserved, it can continue to produce potatoes, achieve four seasons growth, continuous harvest, high quality and high yield.
When picking sweet potatoes, you need two people to pick them at the same time. Take scissors and cut them up along the bottom of the hanging basin. After cutting it, gently pluck off the nutritious soil with your hand, and the sweet potato will be exposed in front of people. Use scissors to cut off the roots of the potato pieces in turn, remove all the fibrous roots at the same time, and then put the potato-bearing vines back on the grid to continue to grow.
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