请按照nature期刊发文标准翻译下面一句话：将黑麦草根系洗净后用米尺测量株高用 WinRHIZO根系扫描仪测定根系平均直径、总根长、总表面积和根体积。

After washing the roots of rye grass, plant height was measured using a meter stick, while the WinRHIZO root scanner was used to determine the average root diameter, total root length, total surface area, and root volume. According to the standards of the journal Nature, this sentence should be translated as accurately and clearly as possible to convey the intended meaning.