一九九二年十月二十五日,中国社会科学院考古研究所河南一队送来他们在汝州李楼村河南龙山文化晚期的古遗址发掘中,用水洗选别法发现的炭化粮粒,计十个试管和一小盒标本。分别出土于该遗址不同探方的上下三层。要求进行粮食作物种属的鉴定。经鉴定研究,现报告如下。(一)籼型炭化稻米:标样92T5⑤第一筛炭粒,粒形长圆较完整,粒表脉纹清楚,但胚部不全。粒长(均数)4.2、宽2.4毫米,归属籼型稻栽培种。(二)粳型炭化稻米:标样92T5⑤第一筛炭粒,粒形短圆较完整,粒表脉纹清楚,胚部不 On October 25, 1992, a team of Henan Institute of Archeology, Chinese Academy of Social Sciences sent them to excavate the ancient ruins of the late Longshan culture in Li Lou Village, Ruzhou, and found that the carbonized grains , Counting ten test tubes and a small box of specimens. Respectively unearthed in the ruins of different exploration of the upper and lower three. Requires the identification of food crop species. The research identified, are as follows. (A) Indica carbonized rice: standard sample 92T5 ⑤ the first sieve charcoal, granule oblong more complete grain chart pulse pattern is clear, but the embryo is not complete. Grain length (average) 4.2, width 2.4 mm, attributed to indica rice cultivars. (B) japonica carbonized rice: sample 92T5 ⑤ the first sieve charcoal, grain shape round more complete, grain table veins clearly, the embryo is not