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MatterCycles
MatterCycles

... The Water Cycle cont. ...
Soil and Land Use Study Guide
Soil and Land Use Study Guide

... 7. Explain the difference in sand, silt, and clay. Focus on the difference in size and what this means for soil types. ...
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Rainforest Terrarium
Rainforest Terrarium

...  you can discuss how the forest floor is like a big compost heap with new vegetation falling from above and rotting to make soil (providing nutrients for the trees!)  plant the plants  you can also tape pictures of rainforest animals on the outside of the aquarium at the layers where they would b ...
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... Groundwater • Aquifer – groundwater is located in small spaces within permeable layers of rock and sediment • Unconfined aquifer – porous rock + soil; water can move in and out freely • Confined aquifer – surrounded by impermeable layers – Springs or artesian wells ...
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... be necessary to cut through some of them, making several vertical cuts in the root ball. Shake excess soil from the roots, and do not use it in the planting hole. Place the plant in the hole at the same level as it grew in the container. The area where the leaves and roots meet should be at ground l ...
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Soil Exploration

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... • Parent material: The original rocky material before weathering has taken place • Lower plant forms such as lichens, moss, and fungi grow on rock matter • Organic matter: The decay of plants and animals which is essential for soil formation ...
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powerpoint
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... especially seasonal and daily variations in temperature and precipitation. At low temperatures the rate of soil formation is slower, especially organic decomposition. Equally, warmer temperatures encourage decomposition. ...
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... weathering profiles from the three different parent materials. How are soil properties affected by the properties of the parent material? What other kinds of information do you need to make interpretations about the genesis of these soils? ...
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references

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Soil salinity control



Soil salinity control relates to controlling the problem of soil salinity and reclaiming salinized agricultural land.The aim of soil salinity control is to prevent soil degradation by salination and reclaim already salty (saline) soils. Soil reclamation is also called soil improvement, rehabilitation, remediation, recuperation, or amelioration.The primary man-made cause of salinization is irrigation. River water or groundwater used in irrigation contains salts, which remain behind in the soil after the water has evaporated.The primary method of controlling soil salinity is to permit 10-20% of the irrigation water to leach the soil, be drained and discharged through an appropriate drainage system. The salt concentration of the drainage water is normally 5 to 10 times higher than that of the irrigation water, thus salt export matches salt import and it will not accumulate.
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