Pollution-free Chinese herbal medicine fertilization
Manure and urine mainly include human excrement, livestock excrement and manure, containing nitrogen, phosphorus and potassium nutrients and various trace elements and rich organic matter. It is the first choice for the production of green pollution-free herbs. Scientific application of manure and urine fertilizer in the medicine field can improve the disease resistance of the medicine, reduce the nitrate content, and improve the quality of the medicine. However, it is worth noting that if the manure and urine fertilizer are directly applied to the medicinal plants, the medicinal materials will be contaminated and the germs will spread. Therefore, it is also necessary to apply manure and urine.
Treatment before application: In order to effectively kill parasitic eggs and infectious bacteria in the manure and urine, it is necessary to carry out detoxification treatment before application. High temperature composting and septic tank sealing are usually used. Toxic treatment method may also be employed, i.e., parasites and pathogens use of toxic substances processing manure fertilizer, such as manure per 100 kg of Traditional Education Network collected formalin was added 200 ml, or 1 days storage plus 50% hundred enemy insect sheet 2 g sequestration two days, may also be added to 1 kg of urea storage for 3 days. Where there are conditions, it is possible to combine the fertilizer with the biogas fermentation, and it is preferable to apply the converted organic fertilizer and biogas residue. The biogas slurry fertilizer has high efficiency and can achieve better ecological and social benefits.
Application of ditch and acupoint fertilization method: According to the size of medicinal plants and the wet condition of the soil, it is necessary to dilute with water when applying the decomposed manure and urine, ditch or dig a hole, cover the soil, prevent the loss of fertilizer, and improve the manure and urine. Utilization rate. Topdressing manure fertilizer medicine at the seedling stage, to dilute the concentration, the amount is less, to avoid burn seedlings medicine. Education network collected. In addition, human urine contains high salt, and it is not suitable for the use of medicinal plants such as ginger, turmeric, sand ginger and Amomum vulgaris, so as not to affect the quality of the product.
Avoid using sewage diluted fertilizer: Some pharmacies think that sewage has fertilizer effect, and prefer to use sewage to urinate with faecal fertilizer, which will cause serious pollution of medicinal materials. Because sewage contains large amounts of bacteria, eggs, poisons and heavy metal ions, are likely to cause diseases and pests, causing soil pollution, and even affect the crop. Because medicine. Education network collected this, whether it is industrial effluent or sewage, where the sound without treatment, can not be used as medicines against the application of fertilizers and irrigation water.
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