Preface
“People live on food”. Food security is a prerequisite for national stability and economic development. Since the beginning of the 21st century, great changes have taken place in the relationship between world grain supply and demand. The growth rate of grain output is obviously lower than that of grain demand, and the relationship between supply and demand has changed from a basic balance in the past to an obviously tight one. Guangdong is a big food shortage province. Its grain self-sufficient rate is less than 40%. A large amount of grain is imported or transferred from outside the province every year. How to improve the grain output and ensure the grain supply has been paid more and more attention by the government and the society.
To increase grain yield and economic benefits, we must rely on science and technology and work hard on high quality seeds and advanced methods. In recent years, great progress has been made in the cultivation of high quality seeds and advanced methods for grain crops. However, due to various reasons, the popularization and application are not satisfactory, especially the problem of “valuing varieties and neglecting technology” has not been fundamentally solved for a long time, which has seriously affected the improvement of grain yield and grain planting efficiency.
The majority of young farmers, planting professional households and ordinary farmers engaged in grain production, as well as the vast number of grass-roots agricultural technicians in the production front line, have truly transformed advanced practical technology into productivity and brought real economic benefits to grain producers. We also hope to strengthen exchanges and communication with peers in this way, and make contributions to the popularization of agricultural technology.
前 言
“民以食为天”，粮食安全是国家安定和经济发展的先决条件。进入 21 世纪以来，世界粮食供求关系发生了重大变化，粮食产量增长速度明显低于粮食需求增长速度，供求关系由过去的基本平衡转为明显偏紧。我们广东省是一个缺粮大省，粮食自给率不到 40%，每年都要进口或从省外调进大量粮食。如何提高粮食产量，保障粮食供给，日益受到政府和社会各界的关注。
提高粮食产量和经济效益，必须依靠科技，在良种和良法上下功夫。近年来，粮食作物在良种培育和良法研发上都取得了较大进展。但是，由于种种原因，优良品种和先进技术的推广应用却不如人意，特别是长期以来“重品种、轻技术”的问题仍未得到根本解决，严重影响了粮食产量和种粮效益的提高。
从事粮食生产的广大青年农民、种植专业户和普通农户，以及在生产第一线的广大基层农技人员，使先进实用技术真正转化为现实生产力，为粮食生产者带来实实在在的经济效益。也希望通过这种方式加强与同行的交流与沟通，共同为农业技术推广事业做出应有贡献。
Wei Tang, female, the Han nationality, born in Xinxiang City, Henan Province in January 1967, bachelor’s degree, senior agronomist, graduated from Henan Agricultural University majored in Plant Protection. Now she works as a chief agronomist in Changyuan Agricultural and Rural Bureau. She has been engaged in agricultural and rural work for a long time, especially good at studying the occurrence and control of crop diseases, insect pests and weeds. In recent years, she has published a number of books and published several papers on the occurrence and control of crop diseases, pests and weeds in“Grassroots Agricultural Extension” and other magazines, she has been invited to participate in the training of professional farmers and agricultural technicians for many times as an agricultural expert.
唐玮，女，汉族， 1967 年 1 月生，河南新乡人。毕业于河南农业大学植物保护专业，本科学历，高级农艺师。现任长垣市农业农村局总农艺师。长期从事农业农村工作，尤以擅长研究农作物病虫草害的发生及防治。近年来发行多本著作，并在《基层农技推广》等杂志上发表有关农作物病虫草害发生防治论文数篇。多次作为农业专家受邀参加职业农民培训、农业技术员培训等工作。
Yan Feng, female, the Han nationality, born in Xinxiang City, Henan Province in September 1980, bachelor degree, graduated from Henan Agricultural University majored in agronomy in 2015; The research project of “Breeding and Application of a New Maize Variety Junda 001” and won “the first prize of Xinxiang Science and Technology Project” in 2014; The research project “Problems Existing in the Supervision of Pesticide Residues in basic Agricultural Departments” won “the national special award for Theoretical and Practical Achievements in Economic Construction and Scientific Development” in 2015; The research project “Straw-return and Healthy Production of Main Crops” won “the second prize of Scientific and Technological Achievements of Henan Province” in 2016.
冯艳，女，汉族， 1980 年 9 月生，河南新乡人。 2015 年取得河南农业大学农学专业本科学历， 2014 年参加的《玉米新品种俊达 001 的选育及应用》项目，获“新乡市科学技术项目一等奖”； 2015 年的研究课题《基层农业部门在农药残留监管中存在的问题》获“全国经济建设与科学发展理论实践成果特等奖”； 2016 年研究课题《秸秆还田与主要农作物的健康生产》获“河南省科技成果二等奖”。
Meng-Jie Xu, female, the Han nationality, bachelor degree, born in Xinxiang City, Henan Province in November 1989. Now she works as an agronomist at the Changyuan Agricultural and Rural Bureau, where she is mainly responsible for plant protection, promotion of agriculture and technology, and agriculture and safety promotion. She participated in the breeding of high-yield maize new variety Li-Nong 16, and the preparation of many specifications and guidance manuals.
徐梦洁，女，汉族， 1989 年 11 月出生，河南新乡人，本科学历，现任长垣市农业农村局农艺师，主要负责植物保护、农技推广、农安宣传等工作。参与完成了高产玉米新品种粒农 16 的选育，参与编写了多部规范及指导手册。
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