How to apply manure fertilizer without pollution

Fecal urea fertilizer mainly includes human feces and urine, livestock fecal urine and manure, etc. Contain nitrogen, phosphorus, potassium nutrients and various trace elements and rich organic matter, is the preferred fertilizer for the production of green pollution-free medicinal materials. The scientific application of excreta fertilizer in pharmacy can improve the resistance of herbs, reduce the nitrate content, and improve the quality of herbs. However, it is worth noting that if the manure fertilizer is directly applied to medicinal plants, it will contaminate the medicinal materials and cause the spread of germs. Therefore, it is also necessary to apply manure fertilizer.
Treatment before application: In order to effectively kill parasite eggs and infectious pathogens in manure fertilizer, it must be detoxified before application. High-temperature composting methods and septic tank sealing methods are generally used. Poisonous treatment can also be used, ie treatment of fecal urine fertilizers with substances that are toxic to parasites and bacteria, such as formalin 200 ml per 100 kg of manure, storage for 1 day or 50% trichlorfon tablets 2 g storage 2 Day, it can also add 1 kg of urea for 3 days. Where conditions permit, the combination of manure and biogas fermentation can be used. It is best to use organic manure and biogas residues after transformation. Biogas slurry has high fertilizer efficiency and can achieve better ecological and social benefits.

Using ditch and hole fertilization method: according to the size of medicinal plants and the soil moisture status, the use of decomposed fecal urine fertilizer requires diluting water, digging or digging a hole to pour water, covering the soil, preventing the loss of fertilizer, and improving the excrement fertilizer. Utilization rate. During the seedling period of herbs, topdressing manure fertilizer, the concentration should be dilute and the amount should be less to avoid burning the seedlings. In addition, human urine contains high salt, and it is not appropriate to use chlorine-free medicinal plants such as ginger, turmeric, sand ginger, and amomum in order to avoid affecting product quality.

Avoid use of sewage diluted fertilizer: Some farmers believe that the sewage has a fertilizer effect, like to use the sewage against the manure and urine fertilizer to irrigate medicinal materials, which will cause serious pollution of medicinal materials. Because sewage contains a lot of bacteria, eggs, poisons and heavy metal ions, it is easy to induce pests and diseases, cause soil pollution, and even affect the post-season crops. Therefore, whether it is industrial sewage or domestic sewage, no one can use it as a medicinal material for irrigation and fertilizer to apply water without being harmlessly treated.

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