Lecture 14 - Quote of Day Never let the fear of striking...

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Quote of Day Never let the fear of striking out get in your way. ( George "Babe" Ruth ) http://www.baberuth.com/ Babe Ruth led the American League in home runs 12 seasons , but he also struck out 16% of the time!
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Chapter 6 Weathering and Soils
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Soil => combination of mineral and organic mater, water, and air Rock and mineral fragments produced by weathering supports the growth of plants Humus (decayed animal and plant remains) is a small, but essential, component of good soil. The physical products of weathering are sediments and they either …. 1) remain where they form 2) or transported by wind, water, or ice to a place where sediments are deposited The sediments are eventually transformed into soil or sedimentary rocks. Composition of a “good” soil Figure 6.17
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(from Brady and Weil “The Nature and Properties of Soils”
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http://www.dailyweeder.com/wp-content/uploads/fertilizer.jpg
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http://cropwatch.unl.edu/photos/cwphoto/anhydrous.jpg Farmer fertilizing field with anhydrous ammonia (NH 3 ). This compound boils at -33oC, thus it must combine quickly with soil moisture right after application below the surface, otherwise it will boil off the field.
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Factors controlling soil formation 1) Parent material composition Some soils create better soils than others; for example, granitic material creates good soils while quartz-dominated beach sands create thin, poor soils controls rate of weathering / soil formation influences chemistry of soil and soil moisture, and thus the type and
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This note was uploaded on 04/18/2011 for the course EAS 101 taught by Professor Kirschner during the Spring '11 term at Saint Louis.

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Lecture 14 - Quote of Day Never let the fear of striking...

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