Soil and Nutrients NOTES I. Soil: A. Formation: Unless soil is transported, weathering and time break down parent rock and humus (organic material).

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Soil and Nutrients NOTES

I. Soil: A. Formation: Unless soil is transported, weathering and time break down parent rock and humus (organic material).

I. Soil: B. Characteristics: color: darker soil = more nutrients (usually)

I. Soil: B. Characteristics: texture: varies from sand (large particles, loose, sinks in water) to clay (small particles, clumped, suspended in water) between these extremes is best: loam (mixture of sand and clay)

I. Soil: B. Characteristics: depth: near surface = generally more nutrative

II. Nutrients: A. Macronutrients: Nutrients needed in larger quantities (from nature or from compost or fertilizer) N, P, K (Nitrogen, Phosphorous, Potassium)--limiting factors Also C,O,H,Ca,Mg,Na--but they are not limiting as they are readily available in most environments

II. Nutrients: B. Micronutrients: Nutrients needed in small quantities--but still potential limiting factors and of equal importance Cu, Zn, Fe, I, Mn, others

II. Nutrients: C. Availability of nutrients:

II. Nutrients: D. Cycling of nutrients: