玉米杂交制种产量的高低与质量的优劣,与种子生产者、经营者和使用者有着密切的关系,为维护三者的合法权益,满足农业生产对种子数量和质量的需求,提高制种产量和质量非常重要。1提高制种产量的措施1.1地膜覆盖制种地膜覆盖栽培是传统农业与现代技术的结合,它以良好的增温、保肥、保水效应,促进农作物的生长 Maize hybrid seed production yield level and quality of the merits, and seed producers, operators and users have a close relationship, in order to safeguard the legitimate rights and interests of the three to meet the agricultural production of seed quantity and quality needs, improve seed production Yield and quality are very important. 1 measures to improve seed production 1.1 Film Mulching Plastic film mulching cultivation is a combination of traditional agriculture and modern technology, it is with good warming, fertilizer, water retention effect and promote the growth of crops