Chapter 6 Soil and Health 我
Chapter 6 Soil and Health
Hygiene significances and characteristics of soil ( Hygiene significances of soi the essence of life Relationship between soil characteristics and human life >Impact of soil quality on humans survival and health
一、Hygiene significances and characteristics of soil （一）Hygiene significances of soil ➢ the essence of life ➢ Relationship between soil characteristics and human life ➢ Impact of soil quality on humans survival and health
Relation of soil science to other sciences Rerxtion of SoilScieite to Otheysiences Soil scence
Chemistry Zoology Microbiology Agronomy Engin Archaeology Forestry Geography Geology Physics Climatology Relation of Soil Science to Other Sciences Relation of Soil Science to Other Sciences
What is Soil? It is not dirt PEEPLES 80 JOEDIRT 可,、英
What is Soil? It is not Dirt
What is soil?- continued unconsolidated surficial material Short-sighted Engineer, 1985 The unconsolidated mineral or organic material on the immediate surface of the earth that serves as a natural medium for the growth of land plants Sense the soil-feel, smell, see, hear No one's definition is necessarily right or wrong
What is Soil? — continued …unconsolidated surficial material Short-sighted Engineer, 1985 The unconsolidated mineral or organic material on the immediate surface of the earth that serves as a natural medium for the growth of land plants. Sense the Soil – feel, smell, see, hear… —No one's definition is necessarily right or wrong