This standard stipulates the selection of origin, cultivation techniques, harvesting and pest and disease control for cowpea production in early spring with double mulching in small sheds. This standard applies to the production of cowpeas double-covered with plastic films in small sheds in early spring in Shijiazhuang City.
DB1301/T 275-2018 history
2018DB1301/T 275-2018 Technical regulations for cowpea production with double mulching film in small sheds in early spring