SCSC 301 Exam 3 Questions With Correct Answers
.12 ft deep peak of temp - ANSWER-About Oct. Nov.
.9 steps in rock to soil development - ANSWER-1. physical disintegration 2. chemical alteration 3. changes in mineral distribution 4. formation of secondary minerals 5. appearance of higher plants...
SCSC 301 Exam 3 Questions With Correct
Answers
.12 ft deep peak of temp - ANSWER-About Oct. Nov.
.9 steps in rock to soil development - ANSWER-1. physical disintegration 2. chemical alteration 3.
changes in mineral distribution 4. formation of secondary minerals 5. appearance of higher plants 6.
development of soil structure 7. leaching of bases 8. downward movement of clay 9. Fe/Al oxides are
the remaining minerals
.A horizons - ANSWER-topmost mineral horizon with some organic matter
.A soil - ANSWER-Individual entity
.A soil horizon in which the supply of gases is adequate for optimum biological activity is said to -
ANSWER-be well aerated
.Albic endopedon - ANSWER-E horizon
.Alfisol - ANSWER-(alf) surface- any A horizon
subsurface- Argillic
under deciduous forest
.Andisol - ANSWER-(and) surface- anything
subsurface- various
must be volcanic
not highly weathered
.Ap - ANSWER-plowing or agriculture influences
, .Aquic - ANSWER-Saturated with water, very poor aeration
.Argillic - ANSWER-Bt with high bases
.Aridic - ANSWER-Dry for at least half of growing season. Moist for less than 90 consecutive days
.Aridisol - ANSWER-(id) surface- ochric
subsurface- normally bt, bk, bw, or the acculation of salts
water deficienct
.b - ANSWER-Buried Soil horizon
.B horizon - ANSWER-subsoil, zone of accumulation
.Bhs - ANSWER-accumulation of humus, Fe and Al oxides
.Bk - ANSWER-accumulation of carbonates
.Bo - ANSWER-accumulation of Fe and Al oxides
.Bss - ANSWER-presence of slickensides
.Bt - ANSWER-accumulation of clay
.Btn - ANSWER-accumulation of clay and sodium
.Bw - ANSWER-no accumulation, but weakly weathered with changes in color and/or structure from A
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