为了了解种子的实际发芽力 ,以便确定适宜播种量 ,播种前必须鉴定种子质量的好坏 ,特别是经过贮藏或由外地买来的种子更需鉴定。常用鉴定种子质量好坏的方法有如下 4种 ,现分别介绍如下。1　形态鉴定法即肉眼观测法。用眼晴从外部形态上简单而直接地判断种子质量的好坏。凡种子 In order to understand the actual seed germination in order to determine the appropriate sowing, seed quality must be identified before sowing is good or bad, especially after storage or purchased from the field more need to identify. Commonly used methods to identify the quality of seeds as follows 4 kinds, are introduced as follows. 1 morphological identification method that the naked eye observation. With the eye from the external morphology is simple and direct to determine the quality of the seed is good or bad. Where the seeds