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| Search for a description of the physical universe |
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| What do green plants use that soil provides? |
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| Mechanical support, water, and mineral nutrients |
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| Unconsolidated debris on top of bedrock |
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| the upper and biochemically weathered portion of the regolith |
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| Organic soil percent organic matter |
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| Mineral soil percent organic matter |
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| Order of master soil horizons |
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| organic horizon of a mineral |
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| mineral surface soil horizon with organic matter accumulation |
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| light coloured mineral horizon with removal of minerals - mostly found under conifer forests - ME and FL |
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| mineral horizon with accumulation of weathering products |
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| mineral horizon which is weathered but outside the area of major biological activity |
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| parent material was brought from somewhere else |
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| three-dimensional body that contains the minimum volume of earth necessary to contain all the properties of a soil |
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| Volume composition of soil |
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| 50% liquids and gases, 50% solids |
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| Secondary minerals (because they are electrically charged |
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| Storage area for mineral nutrient ions |
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| the original tissue, partly decomposed tissue, humus |
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| causes granulation of mineral particles, stores mineral nutrients needed by plants, increases available water holding capacity, is a source of energy for microorganisms |
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| mineral nutrients must be what to be taken up by roots |
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| What is the humidity like in soil? |
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| high in CO2, low in O2 - because microorganisms respire |
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| The soil's air is mostly what, and why |
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| parent material, climate, living organisms, topography, time |
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| Soil formation depends on |
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| crust, mantle, outer core, inner core |
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| aluminum and iron silicates |
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| magnesium and iron silicates |
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| lithosphere, asthenosphere, mantle, outer core, inner core |
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| floating of lithosphere on asthenosphere |
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| water turning to ice in joints and spreading the rock |
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| chemical weathering is faster with what temperatures |
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| electromagnetic radiation |
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| can travel through a vaccuum (space) |
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| transfer of heat by molecular activity, only method of heat transfer in rigid solids |
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| transfer of heat by movement of material from one place to another |
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| is more spread out, and less intense |
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| as latitude increases, solar energy |
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| deflective force of the earth's rotation |
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| Quick Terry Could Jump That |
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| Paul Can Devour Six Oreo Cookies |
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| wheat, pea, olive, cattle, sheep, goat |
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| rice, millet, pig, silkworm |
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| corn, beans, squash, turkey |
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| potato, manioc, llama, guinea pig |
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| sunflower, goosefoot, no animals |
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| sorghum, african rice, guinea fowl |
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| African yams, oil palm, no animals |
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| sugar cane, banana, no animals |
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| New Guinea *** NO PROTEIN |
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| how long it takes to form 1 inch of soil |
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| simple soils with no subsoil diagnostic horizons |
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| soils with minimum development, little or no subsoil clay accumulation |
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| soils of hot dry regions (not leached) |
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| no subsoil diagnostic horizons, much clay (self-mixing, crack when dry) |
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| thick, soft, dark mineral soils of grasslands (midwest) |
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| subsoil accumulation of clay, not strongly leached |
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| subsoil accumulation of iron and organic matter (FL and ME) |
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| subsoil accumulation of clay, strongly leached (acid, infertile) |
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| dark, organic, little mineral matter (drained peat bogs) |
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| mineral soils formed on volcanic ash parent material |
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| soils that have permafrost |
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| relation to primary colors |
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| reduced soils with poor aeration and or high water table |
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| common in B horizons of humid regions |
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| common in B of arid and semi-arid regions |
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