The Health Physics Society classifies radiation survey officers as journeymen or senior certified health physicists. According to that organizationâs 2011 Certified Health Physicist Survey, certified health physicists made an average $124,466 per year, with a minimum of $63,750 per year and $192,200 per year. They also received health, vacation and retirement benefits when working full-time.
You are here. Welcome Â» IFOAM Â» What We Do Â» Organic Landmarks Â» Principles of Organic Agriculture Â» The Principle of Care. Organic Agriculture should be managed in a precautionary and responsible manner to protect the health and well-being of current and future generations and the environment.
History of Agriculture in China. Agriculture is an important economic sector of China, employing over 300 million farmers. Beginning in about 7500 BC with classical millet agriculture, China's development of farming over the course of its history has played a key role in supporting the growth of what is now the largest population in the world. This user does not have a bio.