T/NXS 0111T-2024 Astragalus Understory Ecological Planting Technical Specifications

Scope

Scope: This document specifies the selection and preparation of land, seedling transplantation, field management, harvesting and processing, packaging, storage, and transportation of Astragalus for understory cultivation. This standard applies to the ecological cultivation process of Astragalus understory; Main technical content: 3.1 Astragalus is a dried root of the legume plant Astragalus membranaceus (Fisch. ) Bge. var. mongholicus (Bge. ) Hsiao or Astragalus membranaceus (Fisch. ) Bge. . 3.2 Intercropping of forestry and medicinal herbs utilizes the understory space to cultivate medicinal herbs. It can be used in economic forests, timber forests, and young forests with sufficient sunlight. It is suitable for intercropping with multiple medicinal herbs, but the sunlight in the forest becomes weaker after it becomes a mature forest. It is advisable to intercrop species with certain tolerance to shade. It can be produced by ecological cultivation or simulated wild cultivation. 3.3 Ecological cultivation refers to the cultivation of medicinal herbs in a relatively stable ecosystem formed by human intervention, such as already dense artificial forests, while maintaining the ecological functions of forests and grasslands. Chemical pesticides and fertilizers are prohibited, and ecological principles and modern technologies are applied to cultivate green and high-quality medicinal herbs. 4 Site selection and preparation 4.1 Site selection: The soil under the understory should be deep, loose, and well-aerated, with a slightly acidic sandy texture. 4.2 Site preparation: Generally, the land is plowed in autumn. The plowing depth should be 30-45 cm, and sufficient base fertilizer should be applied (1000-3000 kg of organic fertilizer per mu). It can also be plowed in spring, but attention should be paid to soil moisture retention. 5 Seedling transplantation 5.1 Seedling grading: Root diameter (cm) and root stem length (cm) are used as comprehensive control indicators. -

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