Which of the following dominates in land degradation?
Degradation by wind and water erosion
Physical degradation
Chemical degradation
Biological degradation
What is the process of establishing a forest on land that is not a forest called?
Afforestatiion
Reforestation
Carbon farming
Sustainable agriculture
What is the farming system in which the seeds are directly deposited into untilled soil called?
Overgrazing
No-till farming
What is the estimate of the ability of soils to resist erosion called?
Gradient
Erodibility
Salinity
Soil buffering capacity
The act of farming using principles of ecology, the study of relationships between organisms and their environment is known as:
Afforestation
What is the minimum soil depth required for agricultural production?
10 mm
100 cm
150 mm
150 cm
What is process by which pH value of the soil decreases over time called?
Acidification
Salinization
Soil pollution
Carbonization
How long does it take for natural processes to replace 25mm of topsoil?
10 years
25 years
100 years
500 years
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 may lead to desertification?
Low precipitation
Salinisation
All of the above
