T/HVIA 07-2024: Practical Procedures for the Entire Industry Chain of Fresh Sweet Potato Cultivation and Sales

Scope

Main Technical Content: Practical Operating Procedures for the Whole Industry Chain of Fresh Edible Sweet Potato Cultivation and Sales 1 Scope This document specifies the technical requirements for the cultivation and sales of fresh edible sweet potatoes, including terminology and definitions, environmental conditions of the production area, planting methods, variety selection, and practical operating procedures for the entire industry chain. This document is applicable to the spring and summer production in the main sweet potato production areas of central and southern Hebei Province. 2 Normative References The following documents are essential for the application of this document. For dated references, only the version dated on that date is applicable to this document. For undated references, the latest version (including all amendments) is applicable to this document. - NY/T 391 - Green Food - Environmental Quality of Production Areas - NY/T 393 - Green Food - Guidelines for Pesticide Use - NY/T 394 - Green Food - Guidelines for Fertilizer Use - DB13/T 1418 - Technical Regulations for Soil Disinfection in High-Temperature Greenhouses - GB 7413 - Quarantine Regulations for Sweet Potato Seedlings 3 Terminology and Definitions This document does not define any specific terms or definitions. 4 Environmental Conditions The soil should be fertile, loose, rich in selenium and molybdenum, with strong water and fertilizer retention capacity. It should be able to withstand drought and flood conditions, and the pH value of the soil should be below 7.5. The environmental conditions should comply with the requirements of NY/T 391. 5 Planting Methods Two models: spring sowing in small plastic greenhouses and summer open-field cultivation. 6 Variety Selection Fresh-eating varieties such as Yan Su 25, Watermelon Red, and Hami, which are recognized by the market for their high value and quality. These should be high-quality, high-yielding, diseas

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