在改造低产林方面，以香花油茶为接穗的"高接换冠"技术已显成效，换冠后次年即可挂果，第三年亩产油可达30公斤，产量提升近三倍。此外，油茶的采收 环节也正向机械化方向迈进。由广西科技大学与广西林科院联合研发的便携式小型振动收获机，已实现部分品种果实95%的采净率，为产业降本增效保驾护 航。 马锦林走到一棵"义禄"油茶树下，拿起一颗果实告诉记者，这是当地农户最喜欢的油茶品种，结果快，单果大，果实含油量高。产业的兴旺，也惠及了农 民。这些年，在专家的技术指导下，由农户蓝小益夫妻管护的79亩油茶林，2021年茶籽的销售收入达到30.63万元。截至2024年，广西油茶产业种植面积已 突破1050万亩，综合产值约630亿元，带动超150万农民增收。 明末清初诗人屈大均曾赞叹："南油茶子美，香洒露花宜。绝胜荼蘼液，当侬膏沐时。"如今，香花油茶的价值得到了更深层的发掘，焕发出新的产业光彩。 因其角鲨烯等有益成分含量高，广西当地企业还开发出香花油茶护肤品、化妆品等多样产品。 央视网消息（记者 宫宇）：洁白的油茶花开满枝头，与累累硕果、苍翠枝叶相映成趣。微雨初歇，晶莹的露珠点缀在花瓣与果实上，更添一份清新与生 机。广西林业实验室油 ...

Core Viewpoint - The article emphasizes the importance of grain and oil safety for national health, social stability, and economic development, while highlighting the current challenges in the industry, including contamination risks and quality control issues [2]. Group 1: Industry Challenges - The safety situation of grain and oil in China is generally stable, but there are increasing risks from biological toxins and heavy metal pollution in the raw material planting stage [2]. - Issues such as insufficient quality control during processing and transportation, as well as fraud, continue to pose significant challenges [2]. - There is a growing consumer demand for higher nutritional value and hygiene standards in grain and oil products [2]. Group 2: Upcoming Conference - The "Fourth Grain and Oil Quality Safety and Quality Detection New Technology Online Conference" will be held on October 21, 2025, organized by Instrument Information Network [2][4]. - The conference will feature industry experts and technical personnel from relevant manufacturers to present the latest research findings and detection technologies [2]. - A detailed agenda includes discussions on regulations, analysis techniques, and advancements in rapid detection technologies for agricultural products [4][5].