Slide 1Chapter 15 Soil Resources Slide 2 Overview of Chapter 15 o What is soil? o Soil Properties o Major Soil Orders o Soil Problems o Soil Conservation o Soil Reclamation…

1. SOIL PHYSICAL CONSTRAINTS AND THEIR MANAGEMENT Tamil Nadu state with an area of 1,29,951 Sq.Km. lies at 8 0 5 and 130 40 Northlatitude and 760 15 and 800 70 East longitude,…

1. New approach in decision support for technologyoutscaling in smallholder farming systems:The TAGMI ‘proof of concept’Dr Jennie Barron([email protected])Stockholm…

Slide 1 Soils Slide 2 3 characteristics of soil affect its value for farming and growing vegetation: 1.Organic Content 2.Mineral Content 3.Soil Texture Slide 3 1.Organic…

Slide 1 Reasons for decline in soil fertility Slide 2 Soil fertility is a component of overall soil productivity that deals with its available nutrient status, and its ability…

Slide 1 Threats to Soil Slide 2 Environmental or Natural Factors: Temperature Extremes - too hot or too cold! Extremes - too hot or too cold! Affects humus accumulation (low…

Reasons for decline in soil fertility Reasons for decline in soil fertility Soil fertility is a component of overall soil productivity that deals with its available nutrient…

Slide 1 14 Soil Resources Describing a Soil Description of a soil Mineral Component Organic Matter â humus Soil Horizons Importance of the Biological Community Water Holding…

Chapter 14 Soil Resources Soil Uppermost layer of Earthâs crust that supports plants, animals and microbes Soil Forming Factors Parent Material Time Climate Organisms Topography…

Reasons for decline in soil fertility As crop yields have increased over the years due to the technological changes, many soils are unable to supply the amounts of nutrients…