T/QGSX 009-2025 Active Group standards

T/QGSX 009-2025 Corn and Soybean "1+2" Ridge Cultivation Technical Regulations

Publish Date: 2025-06-26 Implement Date: 2025-07-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/QGSX 009-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2025-06-26

Implement Date: 2025-07-15

Scope

Main Technical Content: 3 **Terms and Definitions** The following terms and definitions apply to this document. 3.1 **“1+2” Strip Planting Model** This model adopts the layout of planting 1 row of corn in the middle of a 130-cm-wide ridge, with 1 row of soybeans planted on either side of the ridge. 4 **Site Selection and Land Preparation** 4.1 **Site Selection** Preferentially select plots with flat terrain, fertile soil, and deep soil layers, with convenient irrigation and drainage conditions to ensure irrigation during dry periods and drainage during wet periods. The soil environmental quality must comply with the relevant provisions of GB 15618. 4.2 **Land Preparation** After harvesting the previous crop, conduct autumn land preparation promptly. After land preparation, the surface must be leveled, and the soil must be finely fragmented. The number of soil clumps with a diameter ≥3 cm per square meter should not exceed 5. The ridge body should be kept straight, with an error of no more than 5 cm over a length of 1000 m. 5 **Variety Selection and Seed Treatment** 5.1 **Corn Variety Selection** Select officially approved varieties suitable for the local ecological environment and cultivation conditions. The selected varieties should have compact growth, strong resistance to lodging, good overall disease resistance, short stem height, and suitability for dense planting and mechanized harvesting. The seed quality must comply with the relevant provisions of GB 4404.1. 5.2 **Soybean Variety Selection** Use early- to medium-maturing high-yield varieties that have passed approval and are suitable for the planting area’s environmental conditions. The varieties should have characteristics such as resistance to sparse planting, shading, and strong resistance to lodging, with a compact growth habit. They must also meet the requirements for mechanized harvesting. The seed quality must strictly comply with the relevant provisions of GB 4404.2. 5.3