Modern Physical Agricultural Engineering Technology and Its Popularization and Application in Beichen District of Tianjin City

‘Music，magnetic，electrical purification’ is a brief summary of physical agricultural technologies.Modern physical agriculture is product of modern physical techniques and agricultural production combinations.That utilize physics principle and technology about electricity，magnetism，sound，light，thermal for agricultural production with some equipment.With specific physical method on crop or environment，plants and animals could improve.Physical agricultural technologies used in farming to increase crop yields，improve crop quality and reduce incidence of pests and diseases，protect ecological environment.Physical agricultural technologies used in aquaculture to improve livestock and poultry products Safety and nutrition，increase technology content of livestock industry，improve animal health and breeding technology.Modern physical agriculture can promote green，environmentally friendly agriculture and its industrialization process.