DB21/T 4156-2025 Active Liaoning ProvinceLocal standards

DB21/T 4156-2025 Technical Specifications for the Cultivation of Eastern White Pine

DB21/T 4156-2025 DB21/T 4156-2025 Procedural Code for Cultivation of Eastern White Pine

Publish Date: 2025-06-30 Implement Date: 2025-07-30 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: DB21/T 4156-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Forestry

ICS Name: Integrated agriculture and forestry

Publish Date: 2025-06-30

Implement Date: 2025-07-30

Development Information

Replace the following standards

DB21/T 1817-2010；DB21/T 1818-2010

Related Standards

GB/T 14551-1993 Replaced

GB/T 14551-1993 Organisms quality - Determination of BHC and DDT—Gas chromatography

Publish Date: 1993-08-06

GB/T 15549-1995 Replaced

GB/T 15549-1995 Sensory analysis—Methodology—Initiation and training of assessors in the detection and recognition of odours

Publish Date: 1995-04-19

GB/T 15790-1995 Replaced

GB/T 15790-1995 Rules for investigation and forecast of the rice blast [Pyricularia oryzae (Cavara)]

Publish Date: 1995-12-08

GB/T 15792-1995 Replaced

GB/T 15792-1995 Rules for investigation and forecast of the rice stem borer [Chilo suppressalis (Walker)]

Publish Date: 1995-12-08

GB/T 15794-1995 Replaced

GB/T 15794-1995 Rules for investigation and forecast of the brown planthopper(Nilaparvata lugens Stal) and the white-backed planthopper(Sogatalla furcifera Horvath)

Publish Date: 1995-12-08

GB/T 16453.1-1996 Replaced

GB/T 16453.1-1996 Regulation of techniques for comprehensive control of soil erosion—Technique for erosion control of slope land

Publish Date: 1996-06-25