Curriculum 03
Soil Science
The living foundation — minerals, biology, chemistry, and Texas soils
Ch 1
Ch 2
Ch 3
Ch 4
Ch 5
Ch 6
Ch 7
Ch 8
Ch 9
Ch 10
What Is Soil
Minerals, organic matter, water, air, and the living community
Soil Texture
Sand, silt, and clay — the ribbon test
Soil Structure
Aggregates, pores, tilth, and compaction
Soil pH
What it is, why it matters, iron chlorosis in Texas
Macronutrients — NPK
Nitrogen, phosphorus, potassium
Micronutrients
Secondary nutrients and trace elements
Soil Biology
Bacteria, fungi, and the soil food web
Mycorrhizal Fungi
The underground network
Water Movement in Soil
Infiltration, percolation, capillary rise
Texas Soils by Region
Alkaline, caliche, clay, sandy — management for each