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Scsc 301 Tamu Exam 2 Howe With Correct Answers
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Scsc 301 Tamu Exam 2 Howe With Correct Answers
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Scsc 301 Tamu Exam 2 Howe WithCorrect Answers
Which cof cthe cfollowing cis cNOT ca ccarbon-containing ccompound cthat cis cinvolved cin
cthe ccycling cof ccarbon cassociated cwith cmost cplant/animal clife cforms? c- ccorrect
canswers✔✔Calcium ccarbonate
Which corganic cmatter cproperty caffects cthe cavailability cof cnutrients cto cplants? c-
ccorrect canswers✔✔Cation cexchange ccapacity
Complete cdegradation cof cresidues c(complete coxidation) cresults cin c- ccorrect
canswers✔✔CO2
Which cof cthe canswers cbelow crepresents can cimmobilized cform cof cN? c- ccorrect
canswers✔✔Protein cin ca cbacterial ccell
Which cis ctrue cwhen ccomparing caerobic cvs canaerobic corganic cmatter
cdecomposition? c- ccorrect canswers✔✔Anaerobic cdegradation cis cmuch cslower cthan
caerobic cand cresults cin ccompounds cthat care cpartially cdecomposed
Soil corganic cmatter cdegradation cwill cbe cgreatest cwhen c- ccorrect canswers✔✔There
cis csufficient csoil cmoisture cand caeration cat cneutral cpH cand crelatively cwarm
ctemperatures cto cdegrade cresidue cwith chigh clevels cof cN
Organic cmatter ctends cto cdecrease cthe c___ cof csoils. c- ccorrect canswers✔✔Bulk
cdensity
___ cis cthe celement cin cresidue cthat chas cthe cgreatest ceffect con cthe crate cof cresidue
cdecomposition. c- ccorrect canswers✔✔Nitrogen
The corganic cmatter ccontent cof csoils ctends cto cdecrease cwith cincreasing cfrequency
cof: c- ccorrect canswers✔✔Cultivation
A csoil cwith cC/N cratio cof c600:1 ccould cbe ca cmaterial csuch cas c- ccorrect
canswers✔✔Sawdust cor cleaves cthat chave ca clow cN ccontent cand ca chigh cpotential
cfor cN cimmobilization
Poorly cdefined corganic csubstances cthat care ccomplex, cresistant cto cdecay, cand
cpolymeric care c- ccorrect canswers✔✔Humic csubstances
, Which cof cthe cfollowing ccould cbe cused cto cimprove csoil corganic cmatter cin ca
ccropping csystem? c- ccorrect canswers✔✔Reduce cthe cplant cmaterials cthat care
charvested cand creturn cany cresidues cback cto cthe cfield
If cyou chad cto cguess, cwhich cenvironment cwould clikely chave cthe cgreatest csoil
corganic cmatter? c- ccorrect canswers✔✔Northeast cUS
Available cwater cin csoils cis cwater cheld cbetween cthe cwilting ccoefficient cand c- ccorrect
canswers✔✔Field ccapacity
Water cthat cdrains cdownward cin ca csoil cconsists cof cwater cmoving cin cresponse cto
cdifferences cin c- ccorrect canswers✔✔Primarily cgravitational cpotentials
Water centers ca cvery cclayey csubsoil cfrom ca csandy csurface csoil c- ccorrect
canswers✔✔As csoon cas cthe cwetting cfront creaches cit
In ca csoil ccontaining clarge choles cor cchannels cthat care cclosed cat cthe csurface, cwater
centers cthese clarge choles c- ccorrect canswers✔✔only cafter cthe csurrounding csoil cis
csaturated
Water cmoves cdownward cin ca cprofile cfrom cthe cB chorizon c(clay cloam) cinto cgravel
clayer c- ccorrect canswers✔✔Only cafter cthe cB chorizon cis csaturated
As cwater cis cadsorbed cby ca cdry csoil, cthe csoil cmatric cpotential cof cthe cdry csoil c-
ccorrect canswers✔✔Increases
Water cmoves cdownward cin ca cprofile cfrom cthe cA chorizon c(sandy cloam) cto cthe cB
chorizon c(loam) c- ccorrect canswers✔✔As csoon cas cthe cwetting cfront creaches cthe cB
chorizon
Evaporation closses cof cwater cfrom csoils cmay cbe creduced cby c- ccorrect
canswers✔✔Crop cresidue con cthe csurface
Water cinfiltration crate cinto ca cclay csoil cis cprimarily ca cfunction cof cit's c- ccorrect
canswers✔✔Structure
The cease cof cmovement cof cmoisture, cair, cand croots cthrough cthe csoil cis c- ccorrect
canswers✔✔Permeability
Roots cand corganisms ccan ccontribute cto cwater cmovement cin csoils cvia cincreasing c-
ccorrect canswers✔✔Preferential cflow
The crate cat cwhich cwater ccan center cthe csoil cis c- ccorrect canswers✔✔Infiltration
ccapacity
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