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WorksheetsSoil Conservation
Total questions: 15
Worksheet time: 11mins
Which of the following is the organic and inorganic materials on the surface of the earth that provides the medium for plant growth?
food
animals
soil
water
What are the main activities that affect soil resources?
construction and development
farming
mining
all of the above
Soil conservation is ___________.
a combination of practices used to protect the soil from degradation.
a set of standards for using the soil in relation to current situations.
a process of studying the soil profile.
a policy of declaring a soil area to be protected for future use.
Why is planting trees help in conserving the soil?
It helps in maintaining soil moisture content.
Its roots hold the soil firmly avoiding erosion.
It gives nourishment to the soil.
all of the above.
Which of the following is a process that involves planting seeds into the residue of the previous crop?
contour farming
no-till farming
crop rotation
strip cropping
This practice of farming on slopes considers the slope gradient and the elevation of soil along the slope.
contour farming
no-till farming
crop rotation
strip cropping
Which of the following is/are advantage of crop rotation?
I. It avoids the building up of soil pathogens.
II. It balances the fertility of soil.
III. It maintains good pH level of the soil good for crops.
I only
I and II only
II and III only
I, II, and III
Watering the plants is beneficial to soil because it prevents ___.
compaction
erosion
eutrophication
sedimentation
The salinity of soil ___.
increases when there is an excessive amount of acids
decreases when there is an insufficient amount of acids
increases when there is an excessive amount of salts
decreases when there is an insufficient amount of salts
Which of the following will happen when salinity of the soil has increased?
I. Metabolism of crops will be negatively affected.
II. Death of vegetation will occur.
III. Soil erosion will happen.
I only
II only
I and II only
I, II, and III
It is a method of growing a series of dissimilar crops in an area which helps in the improvement of soil structure and fertility.
contour farming
no-till farming
crop rotation
strip cropping
Which of the following is a method helps in slowing the water runoff and prevents soil from being washed away along the slope?
contour farming
no-till farming
crop rotation
strip cropping
Different plants/ crops require certain pH level. The statement is __________.
true, because pH level depends on the amount of nutrients
false, because pH level depends on the amount of humus
true, because high pH level is required by plants to grow
false, because low pH level is required by plants to grow
Land use conversion usually done to support urbanization activities can cause rapid soil degradation and sedimentation.
True
False
Clearing trees and other plants and plowing up the soil to plant crops increases the quantity and quality of the soil.
True
False
