Planting technical measures for disaster prevention and mitigation in June
There are many precipitation processes in the near future. Special attention should be paid to the following crops in the field to prevent and mitigate disasters.
vegetables
1. Drain and drain in time. Do a good job of clearing and managing the ditch, keep the ditch unblocked, and remove the water in the field in time to prevent water damage. In case of heavy water accumulation in the rainstorm field, the pumping machine should be used to discharge the water to ensure the safety of the flood season.
2. Early harvest and harvest of nearly ripe melons and vegetables. Grab susceptible flooded fields and vegetables that are intolerant to waterlogging to reduce losses due to disasters. Amaranth, Mao Maocai and other fast-growing leafy vegetables should be promptly harvested and supplied to the market according to market conditions.
3. Strengthen the management of vegetables in the field. After the disaster, take care of the plants in time, remove the diseased leaves, spray the foliar fertilizer, and extend the harvest period; use the greenhouse facilities for rain-proof cultivation, avoid direct rain showers and water accumulation in the field, prevent excessive soil moisture, and conditional Insect nets can be used in combination to effectively reduce the occurrence of pests and diseases.
4. Clean the countryside in time. After stubble replacement, clean the garden in time, and take measures such as rain filming, film irrigation, fallow irrigation, high temperature sloping shed, or soil disinfection to reduce the continuous soil cropping obstacles; plant debris and wild rice straw should be treated harmlessly and comprehensively used. Measures such as fermentation and composting, proper return of fields, and border coverage of dry land gardens can be adopted according to local conditions to reduce the number of pests and diseases and prevent rot from polluting the environment.
Chinese herbal medicine
1. Ditching and water-reducing, removing accumulated water and lowering groundwater level. Clean up the field ditch system or ditch in a timely manner, dredge the drainage channel, ensure the drainage of the field ditch system is unblocked, remove the field water in a timely manner, reduce the groundwater level, prevent anoxic root loss, and promote the root growth of Chinese medicinal materials.
2. Strengthen the management of ventilation and shading. The Chinese medicinal materials cultivated in greenhouses or indoors in summer should be promptly ventilated and dehumidified, and the sunshade to cool down after rain to prevent the Chinese medicinal materials from wilting and dying.
3. After the rain, the weather is fine, and the foliage should be topdressed in time. Rainstorm leaching will cause loss of soil nutrients and poor plant growth, etc., combined with prevention and treatment of pests, using foliar top dressing to timely apply appropriate amount of nitrogen, phosphorus, potassium fertilizer and other compound micro-fertilizers, supplement plant nutrients to restore growth as soon as possible. Available 0.2% water-soluble micro-fertilizer (rich in various elements such as magnesium iron manganese zinc boron molybdenum copper), or 0.2% potassium dihydrogen phosphate and other amino acid foliar fertilizer for foliar spray to promote the recovery of Chinese herbal medicines.
4. Collect or replant in time. If the planting plots of Chinese medicinal materials are flooded and the Chinese medicinal materials are damaged, the affected Chinese medicinal materials that still have market value will be actively harvested to reduce losses.
5. Pay attention to the prevention and control of diseases and insect pests after the disaster of Chinese medicinal materials. After heavy rain, the water in the field is saturated, or the soil water content is saturated, and the growth of traditional Chinese medicine is weak. After the temperature rises quickly, it is conducive to the occurrence and prevalence of various diseases and insect pests of traditional Chinese medicine. It is very easy to cause blight, root rot, downy mildew, anthracnose, blight and other diseases and insect pests. It is necessary to spray sterilization and pesticides in time for different varieties and damage levels. Use medicines on a sunny day, choose safe and countermeasures, pay attention to the rotation of medicines, and ensure the safe production of Chinese medicinal materials.
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