山东发布小麦田杂草科学防控技术指导意见

Core Viewpoint - The article discusses the impact of continuous rainfall on wheat planting in Shandong, leading to delayed sowing and increased weed emergence, prompting the issuance of scientific guidelines for weed control in wheat fields for the 2025-2026 period [1] Group 1: Weed Control Strategies - The guidelines emphasize a "prevention first, integrated control" approach, focusing on key periods such as sowing and green-up stages, and employing both agricultural and chemical measures for effective weed management [1][2] - The goal is to control weed damage to below 5% through sustainable and green management practices [1] Group 2: Agricultural Measures - Recommended practices include cleaning fields, reasonable planting density, using well-composted organic fertilizers, and implementing crop rotation to reduce weed harm [2] - Improving soil preparation and management techniques is crucial for enhancing wheat seedling competitiveness against weeds [2] Group 3: Chemical Control Techniques - Specific herbicides are suggested for different types of weeds, such as using sulfentrazone and glyphosate for pre-emergence control, and selecting appropriate herbicides based on weed species during the green-up period [3][4] - The guidelines caution against using certain herbicides during adverse weather conditions to prevent damage [4] Group 4: Application Techniques - Proper application techniques are highlighted, including using suitable spraying equipment and ensuring even distribution of herbicides to avoid waste and local damage [5] - Recommendations include using fan-shaped or anti-drift nozzles and adhering to specific environmental conditions for effective herbicide application [5]