100+ General soil ph conditions PowerPoint (PPT) Presentations, General soil ph conditions PPTs

General soil ph conditions - PowerPoint PPT Presentation

Soil Chemistry

Soil Chemistry. Colloids ( Clay minerals and humus and clay-humus complexes). most chemically active part of soil surface area net negative charge Nutrient cations (+) and anions (- ) are held on colloid surfaces, in reserve for plants. Why are colloids negative?. 1.Clay:

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636 views • 39 slides

Soil Chemistry

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398 views • 39 slides

Class evaluations

Class evaluations. Soil Chemistry. Ion Exchange. Ions adsorbed to soil surfaces can be exchanged with ions in soil solution. Cations and anions. Ion exchange. Organic colloids and inorganic micelles (clays) are sites of ion exchange Where do ions in soil come from?

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381 views • 30 slides

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General soil ph conditions - PowerPoint PPT Presentation

Soil Chemistry

Soil Chemistry

Class evaluations