《明史·志·卷五十三》
凡是粟谷糜黍大麦薷棕二石，稻谷萄秫二石五斗，穆稗三石，都合准米一石。
凡粟谷穈黍大麦荞穄二石，稻谷薥秫二石五斗，穇稗三石，皆准米一石。
Every two shi of millet, sorghum, large-grained millet, barley, barley-like grain and browntop millet, and two shi and five dou of paddy rice, glutinous rice and sorghum, and three shi of reeds and of wild rice, were all considered to be equivalent to one shi of rice.