“十四五”以来，粮食资源利用更充分，节粮减损氛围更浓厚 耕好“无形粮田” 守护粮食安全

Core Viewpoint - The articles emphasize the importance of food conservation and reduction of waste in China, highlighting various initiatives and technological advancements aimed at improving food security and resource utilization [1][2][5]. Group 1: Food Conservation Initiatives - The theme for World Food Day and National Food Security Promotion Week is "Everyone is Responsible for Food Conservation," with a focus on raising awareness and promoting food security [1]. - The National Development and Reform Commission and the National Food and Material Reserve Bureau are pushing for technological innovations in food conservation and loss reduction [2][5]. - Various policies and action plans have been introduced to combat food waste across different sectors, including schools and restaurants, promoting a culture of conservation [6]. Group 2: Technological Advancements - The introduction of automated grain loss detection systems, such as the one developed by Luoyang Intelligent Agricultural Equipment Research Institute, has significantly reduced grain loss during harvesting [2]. - Research and development in grain storage technologies have led to a decrease in storage loss rates for farmers, with losses now around 3%, down from 8% a decade ago [3]. - Companies are leveraging smart equipment to maximize the utilization of grain by-products, enhancing overall efficiency in food processing [4]. Group 3: Community Engagement and Awareness - Schools and communities are actively participating in food conservation efforts, with initiatives that encourage students and families to adopt waste-reducing practices [6]. - The promotion of smart dining solutions, such as demand-based meal preparation and portion control, is becoming more common in educational institutions [6]. - The overall awareness of food conservation is increasing, with a shift towards more sustainable dining practices in the restaurant industry [6].