SOME RECENT DEVELOPMENTS IN MECHANIZATION AND SOIL AND WATER CONSERVATION IN THE UNITED STATES*

 

作者: O. G. Williams,  

 

期刊: Grass and Forage Science  （WILEY Available online 1953）
卷期: Volume 8, issue 1  

页码: 31-31

 

ISSN:0142-5242

 

年代: 1953

 

DOI:10.1111/j.1365-2494.1953.tb00938.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

 

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