Which of the following project was aimed to produce a world map of human-induced soil degradation?
GLASOD
ASSOD
SOVEUR
LADA
Which of the following dominates in land degradation?
Degradation by wind and water erosion
Physical degradation
Chemical degradation
Biological degradation
Universal Soil Loss Equation predicts the amount of soil losses that may occur from:
Wind erosion
Rill erosion
Gully erosion
Tillage erosion
What is the presence of toxic chemicals in soil in high concentrations called?
Acidification
Salinization
Soil pollution
Soil erosion
What is the process of restocking of existing forests and woodlands that have been depleted called?
Afforestatiion
Reforestation
Carbon farming
Sustainable agriculture
What is the minimum soil depth required for agricultural production?
10 mm
100 cm
150 mm
150 cm
How long does it take for natural processes to replace 25mm of topsoil?
10 years
25 years
100 years
500 years
What is process by which pH value of the soil decreases over time called?
Carbonization
What is the estimate of the ability of soils to resist erosion called?
Gradient
Erodibility
Salinity
Soil buffering capacity
The universal Soil Loss Equation is:
A = RK
A = SCP
S = ARKLCP
A= RKLSCP
