The formation of greenhouse gases and toxic precautions: nitrous gases ammonium nitrogen fertilizer applied too much time, will reduce the role of certain bacteria, causing localized soil acidity. When the PH value is less than 5, it will produce glass greenhouse gas nitrous cost, leaf vegetables can appear white spots, white whole leaf dead serious, often misdiagnosed as powdery mildew, sensitive to nitrous gas vegetables are eggplant, cucumber , zucchini, celery and pepper. Precautions toxic greenhouse gases: rational fertilization. Canopy administered through fermentation of organic fertilizer must rot heat, fertilizer want quality glass greenhouse construction company, urea should be applied over the mix of calcium phosphate. Basal should be applied 20 cm deep glass greenhouse construction, topdressing fertilizer to reach a depth of about 12 cm, after timely watering facilities. Ventilation. In Qingnuan weather, should be combined to adjust the temperature for ventilation, rain and snow should also be appropriate for ventilation. Choice of safe non-toxic plastic sheeting and plastic film, the timely removal of waste plastic materials and residues shed. Glass greenhouses cost, Taiyuan glass greenhouse, agriculture provided by St. Xin Xin Anyang City of St. agricultural technology services limited liability company. Anyang City of St. Xin Agricultural Technology Services, LLC (www.aysxny.com) strong, credible, in other industries in Henan accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the holy Xin agricultural and you hand into the brilliant, for a better future!