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四、牧草栽培技术 (一)牧草种子的播前处理 1、种子品质鉴定 牧草种子是饲料生产的重要生产资料,其品质优劣直接影响到播种质量和产量。因此,为了保证使用优良的种子,生产上特别重视种子品质鉴定。所谓品质鉴定,是指按一定标准,使用各种仪器和感官,对种子进行检验和测定,以评定种子的品质。种子品质鉴定的内容包括: (1)净度的测定:净度指种子的清洁程度,是衡量种子品质的一项重要指标。净度测定的目的是检验种子有无杂质,为种材
Four, pasture cultivation techniques (A) pre-sowing of forage seeds 1, the identification of seed quality Forage seed is an important means of production of feed production, its quality will directly affect the quality of sowing and yield. Therefore, in order to ensure the use of fine seeds, special emphasis on the production of seed quality identification. The so-called quality identification, refers to a certain standard, using a variety of instruments and sensory, testing and determination of the seeds to assess the quality of the seeds. Seed quality identification include: (1) Determination of Clarity: Clarity refers to the degree of seed cleanliness is an important indicator of seed quality. The purpose of the clarity test is to check whether the seeds are contaminated or not