EM bacteria function as a whole, is constituted by a variety of beneficial bacteria to make the EM bacteria play its powerful feature, you must provide suitable environmental conditions for each strain. Especially the EM bacteria for use as a foliar activity flora to increased stomatal conductance, deposited in the absorption of carbon dioxide, to increase the transmittance of the leaf cuticle secretion of growth-promoting substances, chlorophyll content increased, and comprehensively improve light performance. The easiest way to create a suitable environment for the growth is to choose the best use of EM bacteria. EM probiotics do not contain surfactants and adhesives, adhesion on the blades is not strong, not resistant to erosion, and therefore, must not be used before the rain; higher summer temperatures, EM bacteria sprayed on the leaf surface liquid quickly evaporated to dryness, and higher antibacterial sterilization combined with the strong ultraviolet radiation in sunlight during the day, a serious impediment to the activity of EM bacteria play, therefore, should not be used in the morning; Then there can not be mixed with fungicides, the best in fungicides 5-7 days after spraying EM bacteria; evening when the temperature is lower, the leaves less evaporation, the sun's rays is weak, conducive to the survival of EM bacteria, to facilitate the functioning Furthermore it will not rain on a cloudy day is also a good time to use .