2results about How to "Prevent outbreak" patented technology

The present invention discloses an ecological planting method for reducing the disease infection rate of Pseudostellaria heterophylla and improving its yield and quality by covering with shading screens, belonging to the technical field of medicinal plant cultivation. A shading facility is built in the middle and late growth stages of Pseudostellaria heterophylla under high temperature, strong light and rainy conditions; the method for building the shading facility is as follows: in the middle growth stage of Pseudostellaria heterophylla, a support is built above the planting area, and a shading screen is covered on the support to adjust the light intensity in the field. The planting method of Pseudostellaria heterophylla is applicable to the planting area of Pseudostellaria heterophylla in the south with high temperature and high humidity. The middle stage is the middle of April, and it is covered until the harvest of Pseudostellaria heterophylla in early July. By building a shading facility, the microclimate environment for the growth of Pseudostellaria heterophylla is optimized, thereby reducing the incidence of plant diseases, promoting photosynthetic growth, improving yield and quality, etc. This method has the advantages of simple operation, low cost, ecological environmental protection, etc., can significantly improve the yield and quality of Pseudostellaria heterophylla, and achieve the synergistic effect of disease prevention and control and growth regulation.

The invention provides a rainwater collecting, purifying and filtering device which comprises a rainwater collecting box and a rainwater purifying module located in the rainwater collecting box, the rainwater collecting box internally comprises two filtering bins and two settling bins, the two filtering bins are the first-stage filtering bin and the second-stage filtering bin respectively, and the two settling bins are the first-stage settling bin and the second-stage settling bin respectively; the first-stage filtering bin and the first-stage settling bin are arranged up and down and embedded in the right end of the rainwater collecting box, the second-stage filtering bin and the second-stage settling bin are arranged up and down and embedded in the left end of the rainwater collecting box, a partition plate is arranged between the first-stage filtering bin and the second-stage filtering bin, and an inclined guide groove is formed in the upper end of the first-stage filtering bin; the aeration assemblies are used for disturbing generation of algae, and one aeration assembly is located in the inclined guide groove. In the rainwater collection process, the problems that large particles in collected sewage containing rainwater are prone to blocking the purification module, and the collected water cannot be monitored in real time, and the quality of filtered water cannot be adjusted are solved.