منابع مشابه
The Science of Soil: Using radionuclides to support soil conservation
Land degradation and soil erosion threaten agricultural productivity, food security and environmental sustainability. Because formation of new soil takes place over a period of thousands of years, in human terms it is essentially a finite resource. Human activity has accelerated erosion rates through inappropriate land management practices, most importantly soil sealing, deforestation and inten...
متن کاملAnalysis the Role of Ethic in Soil Conservation by Delphi Technique
Objective: The main purpose of this research is review of principles, concepts, problems and solutions of soil ethic. Methods: In this research by descriptive method and Delphi technique was used for identifying soil ethical concepts, soil ethical principles, problems and difficulties of soil ethics in Iran and al around the world and suggestions for improvement of soil ethics in Iran. The popu...
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ژورنال
عنوان ژورنال: Nature
سال: 1940
ISSN: 0028-0836,1476-4687
DOI: 10.1038/146415a0