一、日光温室的选择 1、日光温室选址:种植无公害香椿的日光温室,原则上选择背风向阳,光照充足,地势平坦,水利配套齐全,排灌条件良好,土壤要求沙壤质地,深厚肥沃,有机质含量达到1％以上,温室内外土、肥、水、空气等生态环境洁净无污染。 First, the choice of solar greenhouse 1, the solar greenhouse location: Tomato pollution-free Toon greenhouse, in principle, select the leeward sunny, adequate lighting, flat terrain, complete water conservancy, irrigation and drainage conditions are good, soil requirements sandy loam texture, deep and fertile, Organic matter content of 1% or more, inside and outside the greenhouse soil, fertilizer, water, air and other ecological environment clean and pollution-free.