T/YDSSH 002-2021 The Procedural Specification for Facilities Cultivation of Yandang Mountain Tiepishi Herb
T/YDSSH 002-2021 The Procedural Specification for Facilities Cultivation of Yandang Mountain Tiepishi Herb
Basic Information
Scope
Main technical content: 5. Cultivation techniques 5.1 Site preparation 5.1.1 The greenhouse facilities should be made of single (or combined) steel frames. The greenhouse frame should be constructed using hot-dip galvanized 1.2 mm–1.5 mm thin-walled steel pipes. The width of the greenhouse should be 6 m or 8 m, with a roof height of 2.2 m–2.8 m and a shoulder height of 1.5–1.8 m. The spacing between the arched rods of the greenhouse frame should be 55 cm–80 cm. The roof and sides of the greenhouse should each be equipped with a tension rod. The length of the greenhouse should be 25 m–30 m. For special plots, the specifications of the greenhouse steel pipes and installation techniques should comply with the requirements of DB33/T865. 5.1.2 The top of the film-covered greenhouse should be covered with a multifunctional film of 7-wire thickness or higher, with the width of the film determined by the width of the greenhouse. The film on the top and sides of the greenhouse should be fixed to the frame using film tension lines and grooves. 5.1.3 The shading net on the top of the greenhouse should be a shading net with characteristics such as aging resistance, corrosion resistance, and radiation resistance, with a shading rate of 50–65%. 5.1.4 Temperature and humidity meters. A corresponding number of temperature and humidity meters should be installed in the greenhouse, suspended 30 cm–40 cm above the seedbed. 5.1.5 Sprinkler irrigation system 5.1.5.1 The sprinkler irrigation system consists of "water source–pump–total filter–underground water supply pipe–field outlet pipe–water valve–end filter–field water supply pipe–sprinkler pipe". The installation and technical requirements of the sprinkler irrigation system should comply with GB/T 50085. 5.1.5.2 Filter equipment. The sprinkler pipe should use a filter with a mesh size of not less than 120 or a pleated filter. 5.1.5.3 Water supply pipe. The underground water supply pipe from the water source to the field