求翻译：曾主持和完成的国家和省部级研究项目有：湖北省中浓度复合肥料的研究与开发；碳酸氢铵颗粒复合肥研究与应用；包膜缓释化肥中间试验生产和农业应用；中缓效化肥养分释放与作物需肥特性相关研究；控释肥料在棉花水稻育苗移栽中的应用技术；优化配方施肥技术；掺合肥料施用技术研究；我国主要复混合肥料品种的肥效机理和施用技术。国家“十五”科技项目：南方红壤带北部低丘岗区农林复合发展模式与技术研究；中国科学院知识创新工程项目：红壤区域农业资源开发技术与有机食品关键技术和管理体系研究，主要负责有机食品生产关键技术应用研究及产地生态环境的评价和标准制定。是什么意思？

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He presided over the country and completed and provincial-level research project in Hubei province are: density compound fertilizer research and development; ammonium carbonate particles compound research and applications; package film slow release fertilizer intermediate pilot production and agricu

Once managed the country and the province departmental level research project which and completed includes: In Hubei Province density compound fertilizer research and development; Ammonium bicarbonate pellet duplicate Hefei studies and the application; Package of membrane slow release chemical ferti

Has presided over and completed of national and provincial research project has: Hubei Province in the concentration compound fertilizers of research and development; Ammonium bicarbonate particles compound fertilizer research and application; package film sustained release fertilizer Middle test pr

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