Compare two soils with respect to aeration and drainage, the rate of infiltratio

Question

Compare two soils with respect to aeration and drainage, the rate of infiltration, shrinking and swelling properties, and water holding capacity. Briefly explain your answer.

The two soils are (1-Fine sand) (2-sandy loam)

Percentage of Sand = amount of sand (grams)/total weight (grams) * 100%

93.81 %

61.75 %

Percentage of Clay = Corrected 2 hour hydrometer reading (grams)/ total weight (grams) * 100%

5.323 %

9.917 %

Percentage of Silt = 100% - (%sand + %clay)

0.867 %

28.33 %

Percentage of Sand = amount of sand (grams)/total weight (grams) * 100%

93.81 %

61.75 %

Percentage of Clay = Corrected 2 hour hydrometer reading (grams)/ total weight (grams) * 100%

5.323 %

9.917 %

Percentage of Silt = 100% - (%sand + %clay)

0.867 %

28.33 %

Explanation / Answer

Fine sand sandy loam aeration and drainage It has higher amount of aeration and drainage because it contains higher amount sand and lower amount of clay than sandy loam. It has lower amount of aeration and drainage because it contains less amount sand more clay. the rate of infiltration It has higher infiltration rate because  it contains higher amount sand (93.81 %) and lower amount of clay (5.323 %). It has lower infiltration rate because it contains less amount sand (61.75 %) and higher proportion of clay (9.917 %). shrinking and swelling properties Shrinking and swelling properties of fine sand is low than sandy loam. Because it depends on clay (5.323 %) and silt particles (0.867 %). Shrinking and swelling properties of sandy loam is high. Because it contains higher proportion of clay (5.323 %) and silt particles (28.33 %). water holding capacity Water holding capacity is lower than sandy loam because lower proportion of clay (5.323 %) and silt particles (0.867 %). Water holding capacity is higher than fine sand because lower proportion of clay (9.917 %) and silt particles (28.33 %).

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