How to carry out weeding and ploughing of licorice
Licorice is suitable to grow on the open land where crops can not be planted, and as long as there is water in this kind of land, there are often a lot of weeds, and the success or failure of planting and the yield are all related to weeding. If there are many weeds, the utilization rate of water and fertilizer of licorice is low, and the yield decreases naturally. For licorice planted in the field, weeding should be carried out by the combination of artificial and chemical weeding. In other words, artificial weeding was mainly used in the planting year, and from the second year, the weedy plots selected appropriate herbicides for chemical weeding from June to July, shoveling once before entering the rainy season and again after autumn. This time, we should pay attention to cultivating soil to the roots in order to survive the winter safely. In the second year, from turning green to falling in, one or two times of intertillage can be carried out, and once or not after turning green in the third year, depending on the growth situation.
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How to deal with the seeds of licorice
In the process of planting licorice, because the seed coat of licorice is hard and the seed is difficult to absorb water, it is difficult to emerge without treatment, which has become a difficult problem of planting licorice in a large area. At present, good results have been obtained by using sulfuric acid seed dressing method, heating re-soaking method and crushing seed coat method to treat licorice seeds. 1. Sulfuric acid treatment: stir the pure seeds with 80% sulfuric acid 20ml / kg and rinse them with clean water after 4h treatment, but the treated seeds must be dried and reused. The time and temperature of seed treatment and the amount of acid added
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How to prevent and control the damage of hock coarse horn firefly to licorice
The leaf-eating pest of Chrysomelidae is one of the main obstacles to the development of licorice production. There are different degrees of licorice producing areas in the Uygur Autonomous region, Hexi region of Gansu Province and Liaoning Province, mainly harming sweet licorice rather than other trees, shrubs and other herbs. In the whole growing season, adults are the main damage, and the food intake is large, adults and larvae often overlap as damage, serious land occurs, the whole piece of licorice is eaten only stems or leaf veins, from afar it seems to be in the autumn withered and yellow defoliation period. Try
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