Experience and Practice

Year:1972 Issue:49

Column: ARTICLES AND DOCUMENTS

Author:

Release Date:1972-12-08

Page: 17,18,21

Full Text:

by the South Tachaochuan Production Brigade in Tsangchow City, Hopei ProvinceBEFORE liberation the per-mu yield of food crops on our brigade's low-lying saline-alkali land was less than 100 jin in a...

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