GCEAgricultural ScienceSoil Science2023

Which of the following is the CORRECT sequence of soil formation factors proposed by Jenny (1941)?

AClimate, organisms, relief, parent material, timeCORRECT
BParent material, climate, relief, organisms, time
CTime, climate, relief, parent material, organisms
DOrganisms, parent material, climate, time, relief
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Why the answer is A, and why the others tempt you.
Jenny (1941) proposed the CLORPT model of soil formation, where soil is a function of Climate, Organisms, Relief (topography), Parent material, and Time. This sequence is conventionally remembered by the acronym CLORPT. All five factors interact to determine the characteristics of a soil profile.
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