Q172
Soil conservation is achieved through
A.
Restricted human activities
B.
Good plant cover
AnswerC.
Wind screen
D.
Ploughing
Answer: Option B
Solution
Answer: Option B
Solution:
Soil conservation is achieved through Good plant cover.Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, which affect both erosion and fertility.