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四川省宜宾农业学校杂交甘薯获得初步成功的消息,曾于1955年农业科学通讯第二期上发表。今将连续栽培情况作如下介绍:1954--1956年产量比较
Yibin Agricultural School of Sichuan Province obtained sweet potato hybrid initial success news, was published in the second issue of 1955 Agricultural Science Communication. This continuous cultivation situation will be introduced as follows: 1954 - 1956 yield comparison