Liaoning Provincial Standard of the People's Republic of China
Latest
DB21/T 3923-2024
Scope
This document specifies the techniques and requirements for the selection of forest land, land preparation and application of base fertilizer, seed quality, sowing, management during the growing period, prevention and control of major pests and diseases, harvesting and primary processing of Leonurus japonicus Houtt. under poplar plantations. This document applies to the planting and primary processing of Leonurus japonicus Houtt. under poplar plantations in Liaoning.
DB21/T 3923-2024 Referenced Document
GB 15618 Soil environment quality risk control standard for soilcontamination of agriculture land
GB 4407.2 Economic crop seeds Part 2: Oilseeds*, 2024-10-28 Update
GB/T 6001 Technical regulations for cultivation of tree seedlings
GB/T 8321.10 Guideline for safety application of pesticides(X)
DB21/T 3923-2024 history
2024DB21/T 3923-2024 Technical regulations for the production of motherwort under poplar forests