Cutting time and cutting management of stevia
Stevia is a low-calorie, high-sweet natural sweetener. It is widely planted in China and has good economic benefits. Below, Xiaobian to introduce the cutting method of stevia.
Stem time of stevia
The cutting time is spring and autumn, the spring time is from March 20 to the end of April, and the autumn time is from early September to early winter. Generally, a large area is used for autumn seedlings.
Selection of Stevia Bed Seedlings
Sandy land with flat terrain, fertile soil and convenient drainage is generally used. After the excavation on the prepared seedbed, the initial finishing is carried out, and then the mulch is covered, in order to eliminate the pests buried in the ground and avoid evaporation of water to maintain the surface moisture.
Stevia cutting method
In the carefully prepared seedbed, the two sides of the seedbed are fixed with two strings on the two sides of the bed. After cutting a small mouth with a knife, insert the prepared seed, and the depth of the seedling is 2/3 to 1/2. During and after compression, it is best to keep the distance between the seedlings at a row spacing of 3.5 cm and a plant spacing of 1.2 cm. After the insertion, the carbendazim is poured into the water and poured through the water. If it is sunny, it is necessary to cover the shading net before 8 o'clock.
Stevia cutting management
First, we must replenish water in time. A few days after the cutting, the transplanting is prone to wilting and needs to be watered.
The second is to spray drugs to prevent diseases. After the first spray, the fungicide should be sprayed every two or three days. Once the diseased plants are found, they should be pulled out immediately to avoid spread.
The third is to make a shading light. Generally speaking, when the maximum temperature in the daytime is 15-28 °C, the shading net does not need to be uncovered for the first four days of seedling insertion, and the lighting time is gradually increased from the fifth day. When the temperature is relatively high, it is necessary to cover the sunshade net. It is enough to remove the sunshade net around 5 or 6 pm, and then gradually shorten the sunshade time. After the seedlings are inserted, the roots can be rooted in about ten days, and no sunshade is needed after rooting.
Wintering management of stevia
When the chrysanthemum is overwintering, anti-freezing measures should be taken on the lived seedlings. When the temperature is lower than 15 °C, the film should be covered to keep warm. If you are unfortunate enough to encounter a cold current, cover the straw at night to prevent frostbite. It is necessary to use the sunny days with good temperature rise to weed, replenish water and fertilizer. Note that in the spring when seedlings are inserted, in order to prevent the temperature from being low, the film should be covered to increase the survival rate of the plants.
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