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Page 68
... coarse sandy soils , by contrast , the relatively wide distances between particles reduce the wicklike action and consequent evaporation . This can have some most surprising results . Desert sands allow the scanty rains to evaporate ...
... coarse sandy soils , by contrast , the relatively wide distances between particles reduce the wicklike action and consequent evaporation . This can have some most surprising results . Desert sands allow the scanty rains to evaporate ...
Page 69
... coarse particles , and water cannot move down into the coarse soil by wicklike action . Water must build up until it is so wet that gravity will finally begin to pull some moisture into the coarse layer . An analogy can help to clarify ...
... coarse particles , and water cannot move down into the coarse soil by wicklike action . Water must build up until it is so wet that gravity will finally begin to pull some moisture into the coarse layer . An analogy can help to clarify ...
Page 136
... coarse materials with relatively small amounts of soil acidity , clay , and organic matter . Little research has been done about the effects of acid rains on such soils . Acidified Lakes Just as soils are naturally acid in the humid ...
... coarse materials with relatively small amounts of soil acidity , clay , and organic matter . Little research has been done about the effects of acid rains on such soils . Acidified Lakes Just as soils are naturally acid in the humid ...
Contents
From Universal Ignorance to Widespread Misconceptions | 3 |
The Soil Factory | 9 |
Kaolinite Clay Particles | 12 |
Copyright | |
13 other sections not shown
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acid rain acres agribusiness agricultural allelopathy aluminum animals areas Bagnold California desert cause chemical fertilizers clay particles climate coarse compacted compost cover created cropland cultivation damage decay microbes decompose deposits desert pavement dikes dissolved drained dust bowl dust storms earth Edmund Ruffin effects England erosion farm farmers farmlands feet fields forest ganic gardeners grains grazing ground grow herbicides humus hydrophobic soil Hydroponic increased lake large amounts layers leached locations manure material minerals moisture move natural nitrogen nutri ocean off-road organic farming organic grower organic matter peat percent plant growth plant litter plant nutrients plow potassium problems production quicksand released River rock roots Ruffin runoff Sagebrush sand dunes sediments silt slope soil acidity soil horizons soil particles soil surveys soil water southern species substances surface SVIM synthetic tensiometer tilizers tillage tion Tollund tropical soils tundra valley fever vegetation weathered wind erosion woody York