Study On Distribution Regularity Of Disease Prevention And Promoting System And The Effection Of The Space Electric Field

In recent years, in the national implementation of a series of agricultural policy, the development trendof China’s agricultural production well, The basic balance of supply and demand of domestic food,vegetables, but along with the people’s living standards and quality of life of continuous improvement,increasing demand for green pollution-free agricultural products.Generally speaking, China’s agriculturalproduction investment in science and technology level is relatively low,especially fertilizer, pesticides inagricultural products high residue of pesticide, not up to the requirements of pollution-free agriculturalproducts. At the same time as the international green barriers are elevation, high volume has become thebiggest obstacle to China’s exports of agricultural products, pesticide residues. The modem physicalagriculture technology is the application of specific physical treatment technology of crops or agriculturalproduction environment, to reduce fertilizer, pesticide usage at the same time, to increase production,improve quality, pest and disease resistance to, and have very good protection effect on the ecologicalenvironment.Papers use physical biostimulation prevention space electric field of agricultural technology, build spaceelectric field in the greenhouse, And from space electric field prevention system established by themathematical model of the parts in the electric field that occurred, Calculating and analysisingmathematical mode,and researching the regulation of the distribution of space electric field. Throughcalculation and analysis,getting the conclusion which is the electric field intensity about electrode wiresymmetry. Then through to test the leakage current which is near the electrode wire, Getting the followingconclusions: The farther away from the electrode wire, the weaker Electric field intensity is more weak. Inthe electrode wire vertical distance, the place that away from the electrode wire1200mm, The leakagecurrent decreases to zero; In the electrode wire horizontal distance, the place that away from the electrodewire1100mm, the leakage current decreases to zero. According to the experiment research of the regulationof the electric field distribution, Formulating the layout mode of electrode wire of the system, the electrodewire sets Near the point of the spanof the greenhouse, Height is about2m. effect test shows that the systemwhich is that the space electric field used as prevention growth-promoting：Prevention of space electricfield growth-promoting system can promote the greenhouse crop growth (with pepper as an example), Themature period will advance about10days; In the prevention and control of plant diseases and insect pests,itcan effectively reduce the occurrence of pests and diseases and reduce the use of pesticides. Test for thespace electric field provides the basis for the data related to the greenhouse control technology and improvegrowth and prevent disease technology.