In medicinal planting and production, different types of medicinal plants have different growth characteristics, and the demand for soil is also different. Only by adapting local conditions to the cultivation of medicinal herbs in different soils can the planting efficiency of medicinal materials be improved. The use of herbs in barren hills and balings on barren hills can be used to grow medicinal herbs on the one hand and to ensure the yield and quality of medicinal herbs. On the other hand, it can make full use of valuable land resources and improve the planting efficiency of medicinal herbs. There are many kinds of herbs suitable for planting in barren mountains, including honeysuckle, puerarin, Suanzaoren, orange root, radix scutellariae, astragalus, windbreak, chrysanthemum, alfalfa, salvia miltiorrhiza, polygala, shandou root, achyranthes, flavescens, odoratum , licorice, white, white peony, Xu Changqing, hawthorn, ebony, aristolochia, forsythia, nepeta, and dandelion. Saline-alkali sandy land herbs A lot of herbs can still grow well in the saline-alkaline sand-rest, resulting in high yields. For instance, alfalfa can grow under 0.3% soil salinity, even up to 1% and pH 10; if the soil's salinity is below 0.2%, the pH is 8 to 8.5, and the soil is fertile. With proper management, higher yields can also be obtained. In the case of growing honeysuckle on saline land, as long as the salt content in the soil does not exceed 0.3%, the growth and development of the medicinal material is not substantially affected. When the salt content of the soil is below 0.5%, as long as the organic fertilizer is properly applied, water and fertilizer management is strengthened, and reasonable pruning is performed, the yield of honeysuckle (5-year-old) can reach 200 kg per mu, and the benefits are considerable. Other medicinal herbs that can be grown on saline land include Radix ginseng, Vitex negundo, Grass safflower, Milk thistle, Kochia scoparia, Rhizoma Imperatae, hemp, ramie, burdock, and wild jujube. There are also some herbs that have strong resistance to thinning and can be grown on sandy beaches such as Xiangfu, Ephedra, Licorice and Anemarrhena. The long-term cultivation of medicinal herbs on saline-alkaline sandy land can also improve soil structure and achieve good ecological benefits. The use of idle land to grow medicinal herbs on idle lands not only can beautify the environment, but also increase economic income. Cities such as peony, peony, Ophiopogon japonicus, chrysanthemum, honeysuckle, cockscomb, papaya, ginkgo, privet, acacia, Phellodendron, Eucommia ulmoides, eucalyptus, can be planted on scattered lands in parks, sidewalks, offices, schools, and hospitals. Sophora sinensis and Polygonatum can be cultivated in the farmyard and in front of the house, such as Ophiopogon japonicus, Eucommia ulmoides, white lentils, pepper, peony, etc.; in the riverside mantle, mint, inula, and coltsfoot flowers can be grown; The roadside embankment can be planted with ramie, cockroach, burdock, caravan, dandelion and yellow peony. Planting medicinal plants on idle land does not compete with agriculture for land, nor does it require strong labor, and it is easy to cultivate and manage, which is conducive to improving the planting efficiency of idle land.
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