DB53/T 224.6-2007 "Chapter 6: Harmful Pest Control in Pollution-Free Walnut Production in Changning" (Note: This is a translation of the Chinese text and is not a complete standard.)

DB53/T 224.1-2007 "Changning Non-pollution Walnut Production Integrated Standards - Part 1: Changning Non-pollution Walnut Production Standard System" DB53/T 224.2-2007 Changning Comprehensive Standards for Organic Walnut Production - Part 2: Environmental Conditions and Planting Zones of Production Areas DB53/T 224.3-2007 Changning Comprehensive Standards for Organic Walnut Production - Part 3: Main Cultivated Varieties DB53/T 224.4-2007 Cangning Integrated Standard for Unsulfured Walnut Production without Pollution - Part 4: Cultivation of Seedlings DB53/T 224.5-2007 Changning Comprehensive Standard for Organic Walnut Production - Part 5: Production Management Techniques DB53/T 224.7-2007 Changning Comprehensive Standard for GMO-free Walnut Production - Part 7: Variety Improvement DB53/T 224.8-2007 The Comprehensive Standards for Wasteness-free Walnut Production in Changning: Part 8 - Fruit Yield and Quality DB53/T 224.9-2007 The Integrated Standards for Pollution-free Walnut Production in Changning - Part 9: Harvest, Processing and Storage of Fruits