1.主题内容与适用范围本标准规定了禾本科牧草种子田的设置、整地要求、种子准备、栽培技术、田间管理和种子收获。本标准适用于全国各级牧草种子繁殖场、国营农牧场、乡(镇)、特约繁殖区(村、户)的禾本科牧草种子生产,也适用于育种单位育成,并经省、市、自治区或国家牧草育种委员会审定合格的禾本科牧草种子的生产以及牧草种子公司、购销站、专业 1. Thematic content and scope of application This standard specifies the establishment of grazing grass seed field, soil preparation requirements, seed preparation, cultivation techniques, field management and seed harvesting. This standard applies to all levels of the grass seed breeding farms, state-owned farms, townships (towns), special breeding areas (villages, households) of gramineous grass seed production, but also for breeding unit breeding, and by the provincial, Autonomous region or the National Forage Breeding Committee approved the production of grass grasses and forage seed companies, buying and selling stations, professional