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Directory Of Year 1981, Issue 11
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Current Location:English » 198111 » Aviation Serves Agriculture
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Aviation Serves Agriculture

Year:1981 Issue:11

Column: Economics

Author: YU QUANFU

Release Date:1981-11-01

Page: 31,32

Full Text:  

AERIAL sowing and spreading of chemicals have played an important part in the development of China's agriculture, forestry and animal husbandry. In the thirty years since 1951 such work under the...

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