Test
Soils final exam
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (18)
1volcanic environments, poorly crystalline minerals
- AAlfisols
- BAndisols
- CAridisols
- DEntisols
- EGelisols
- FHistosols
- Ginceptisols
- Hmollisols
- Ioxisols
- Jspodosols
2dark surface, high carbon, grassy environments with seasonal moisture
- AAlfisols
- BAndisols
- CAridisols
- DEntisols
- EHistosols
- FInceptisols
- GMollisols
- HOxisols
- ISpodosols
- JUltisols
3no apparent horizons
- AAlfisols
- BAndisols
- CAridisols
- DEntisols
- EGelisols
- FHistosols
- GInceptisols
- HMollisols
- IOxisols
- JSpodosols
4highly weathered, tropical and subtropical dominated by quartz, kaolinite and Fe oxides
- AAlfisols
- BAndisols
- CEntisols
- DGelisols
- EInceptisols
- FMollisols
- GOxisols
- HSpodosols
- IUltisols
- JVertisols
5Shrink/swell clay minerals, cracks that open and close periodically based on moisture
- AAlfisols
- BAndisols
- CEntisols
- DHistosols
- EInceptisols
- FMollisols
- GOxisols
- HSpodosols
- IUltisols
- JVertisols
6semiarid to humid environments, moderate weathering
- AAlfisols
- BAndisols
- CEntisols
- DGellisols
- EHistosols
- FInceptisols
- GMollisols
- HOxisols
- IUltisolss
- JVertisols
7match the diagnostic layers
- Aargillic
- Bspodic
- Ccambic
- Dalbic
- Eoxic
- Fduripan
- Gfragipan
- Hargillic
- Ispodic
- Jcambic
- Kalbic
- Loxic
- Mduripan
- Nfragipan
8Epipedons:
Mollic - [blank_start]thick dark[blank_end] - [blank_start]>50% base saturation[blank_end]
Umbric - [blank_start]thick dark[blank_end] - [blank_start]<50% base saturation[blank_end]
Ochric - [blank_start]light colored[blank_end]
Histic - [blank_start]thin organic horizon[blank_end]
Melanic - [blank_start]thick black horizon[blank_end] - [blank_start]high amounts of organic carbon[blank_end]
Anthropic - [blank_start]similar to mollic[blank_end] - [blank_start]high phosphorus from fertilizers[blank_end]
Plaggen - [blank_start]thick mollic[blank_end] - [blank_start]associated with manure application[blank_end]- Athick dark
- B>50% base saturation
- Cthick and dark
- D<50% base saturation
- Elight colored
- Fthin organic horizon
- Gthick black horizon
- Hhigh amounts of organic carbon
- Isimilar to mollic
- Jhigh phosphorus from fertilizers
- Kthick mollic
- Lassociated with manure application
96 factors that affect soil formation
1. [blank_start]parent material[blank_end]
2. [blank_start]climate[blank_end]
3. [blank_start]biota[blank_end]
4. [blank_start]topography[blank_end]
5. [blank_start]time[blank_end]
6. [blank_start]humans[blank_end]- Aparent material
- Bclimate
- Cbiota
- Dtopography
- Etime
- Fhumans
10Label the horizons and associated aggregates
- AO
- BA
- CE
- Dplaty
- EB
- Fblocky
- GC
- HR
- Igranular
11Properties of humus:
1. [blank_start]capacity to buffer pH[blank_end]
2. [blank_start]pH dependent charge[blank_end]
3. [blank_start]ability to chelate polyvalent metals[blank_end]- Acapacity to buffer pH
- BpH dependent charge
- Cability to chelate polyvalent metals
12[blank_start]A[blank_end] = [blank_start]R[blank_end][blank_start]K[blank_end][blank_start]L[blank_end][blank_start]S[blank_end][blank_start]C[blank_end][blank_start]P[blank_end]
- AA
- BR
- CK
- DL
- ES
- FC
- GP
134 nutrient reserves and release mechanisms
1. [blank_start]mineral[blank_end] - [blank_start]weathering[blank_end]
2. [blank_start]organic matter[blank_end] - [blank_start]decomposition[blank_end]
3. [blank_start]cation exchange[blank_end] - [blank_start]adsorption phenomena[blank_end]
4. [blank_start]humus[blank_end] - [blank_start]chelation[blank_end]- Amineral
- Bweathering
- Corganic matter
- Ddecomposition
- Ecation exchange
- Fadsorption phenomena
- Ghumus
- Hchelation
144 factors affecting decomposition
1. [blank_start]oxygen[blank_end]
2. [blank_start]water[blank_end]
3. [blank_start]temperature[blank_end]
4. [blank_start]pH[blank_end]- Aoxygen
- Bwater
- Ctemperature
- DpH
15a C:N ratio <20 mobilizes nitrogen
- AVerdadero
- BFalso
16legumes are infected by [blank_start]rhizobium[blank_end] that are capable of fixing [blank_start]N2[blank_end] from the atmophere
- Arhizobium
- BN2
17[blank_start]Oxidation[blank_end] reaction produce hydrogen ions
- AOxidation
- BReduction
18Sources of charge
-[blank_start]1:1 clays[blank_end] and [blank_start]sesquioxides[blank_end] - [blank_start]protonation and deprotonation[blank_end]
-[blank_start]2:1 clays[blank_end] - [blank_start]isomorphous substitution[blank_end] in [blank_start]interlayer spacing[blank_end]- A1:1 clays
- Bsesquioxides
- Cprotonation and deprotonation
- D2:1 clays
- Eisomorphous substitution
- Finterlayer spacing
Información
- Descripción
- Test sobre Soils final exam, creado por Meredith Daniels el 02/05/2017.
- Autor
- Meredith Daniels
- Idioma
- English
- Visitas
- 0
- Valoración
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