首页> 外文学位 >WHAT SCIENCE PRINCIPLES ARE BASIC TO THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS? AN INVESTIGATION TO DETERMINE THE SCIENCE PRINCIPLES UNDERLYING THE PROBLEMS AND ADVOCATED PRACTICES OF THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS

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WHAT SCIENCE PRINCIPLES ARE BASIC TO THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS? AN INVESTIGATION TO DETERMINE THE SCIENCE PRINCIPLES UNDERLYING THE PROBLEMS AND ADVOCATED PRACTICES OF THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS

机译：保护土壤，森林和草原的科学基本原理是什么？确定土壤，森林和草地保护的问题和建议做法的科学原理的调查

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作者
VIVIAN, VINCENT EUGENE.;
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作者单位

New York University.;

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授予单位 New York University.;
学科 Botany.
学位 Ph.D.
年度 1958
页码 309 p.
总页数 309
原文格式 PDF
正文语种 eng
中图分类
关键词
入库时间 2022-08-17 11:52:11

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WHAT SCIENCE PRINCIPLES ARE BASIC TO THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS? AN INVESTIGATION TO DETERMINE THE SCIENCE PRINCIPLES UNDERLYING THE PROBLEMS AND ADVOCATED PRACTICES OF THE CONSERVATION OF SOILS, FORESTS AND GRASSLANDS

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