Report of study on constructing terraced field by machinery in middle reaches of the Yellow River
1989
Gao Zhifeng | Sun Chengen (The Cooperative Group of Study on Constructing Terraced Field by Machinery in Middle Reaches of the Yellow River, Zhengzhou (China))
Ключевые слова АГРОВОК
Библиографическая информация
Нумерация страниц
pp. 14-20
Язык
Китайский
Примечание
4 tables
1990-08-15
AGRIS AP
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