What is the most effective way to improve clayey soil drainage?
Adding sand
Adding nitrogen fertilizers
Increasing irrigation rate
Planting shallow rooted plants
Which of the following statements expresses acid rain?
Free of pollutants
Occurs as a result of burning fuel
Increases soil fertility
Increases soil salinity
Which of the following effects can result from increased soil acidity?
Improving the soil structure
Increasing the absorption of toxic metals by plants
Increasing the activity of beneficial fungi
Improving the soil's ability to retain water
What is the expected effect of excessively increasing soil moisture on plants?
Increased carbon dioxide absorption
Root rot
Faster plant growth
Increased nutrient absorption
Which of the following methods causes an increase in the effect of acid rain on the soil?
Using organic fertilizers
Increasing industrial activity and fuel combustion
Imposing laws to regulate pollutant emissions
Reducing emissions
Which of the following elements is depleted from the soil due to acid rain?
Nitrogen
Calcium
Silicon
Carbon
It is considered an element... of the toxic elements in the soil that causes the death of the plant.
Magnesium
Aluminum
Why is it preferable to use a moisture meter instead of relying on visual observation only?
To accurately determine the water level
Because it also measures the soil temperature
Because the device is cheaper than visual inspection
Because dry soil always looks wet
Soil quality can be improved and erosion prevented by...
Planting a single crop
Vegetation cover
Reducing organic matter
Increasing soil acidity
What is the primary environmental benefit of using organic fertilizers instead of chemical fertilizers?
Improving soil acidity
Reducing the need for irrigation
Increasing soil quality in the long term
Increasing soil water saturation
Which of the following options is the best way to increase soil fertility and improve its structure?
Use drip irrigation only
Add organic fertilizer or compost
Plant crops with deep roots
Add chemical fertilizers regularly
Sometimes fertilizers are added... to balance the acidity in the soil
Organic
Alkaline
Biological
Natural
One of the important minerals in the soil that helps increase soil fertility...
Lead
Mercury
When bacteria and fungi grow more in the soil, this is an indication of ...
Decreased decomposition and increased moisture
Increased decomposition and decreased moisture
Decreased decomposition and decreased moisture
Increased decomposition and increased moisture
What is the effect of acid rain on some toxic minerals in the soil?
Decreased deposition in the soil
Increased deposition in the soil
Disappearance from the soil
Transformation into useful minerals
When using a moisture meter, if the moisture value is very high, this indicates ..
Decrease in water level
Increased evaporation
Increased soil salinity
Soil saturation with water
Acid rain reacts after falling on the soil with...
Acids and minerals
Oxides and minerals
Carbonate salts and minerals
Nitrate salts and minerals
What is the effect of acid rain on forests?
Deterioration of tree health and death
Increased resistance of trees to diseases
Increased tree growth
Improving biodiversity in forests
Which of the following is considered a direct effect of acid rain on agricultural crops?
Promote healthy crop growth
Reduce crop quality and productivity
Improve crop stability under changing environmental conditions
Increase agricultural crops
What is the most common result of not measuring soil moisture regularly?
Improving crop quality
Irregular irrigation rates
Increasing nitrogen retention
Which of the following is a potential negative effect of over-irrigation?
Soil water saturation and root destruction
Increasing soil aeration
Improving nutrient uptake
Promoting deep root growth
The plant depends on the element ... mainly in the process of flower growth
Phosphorus
Potassium
Oxygen
Which of the following oxides is considered an air pollutant?
NO2
LiO2
KO2
NaO2
If soil measurements show high acidity levels, what is the best procedure to improve the soil?
Increasing soil water content
Reducing the number of plants planted
Adding agricultural lime
Adding chemical fertilizers
How do leguminous plants contribute to improving soil fertility?
By increasing the water content in the soil
By fixing atmospheric nitrogen in the soil
By reducing the plants' need for other nutrients
By increasing water drainage from the soil
Which of the following gases contributes to the formation of acid rain?
Carbon dioxide
Hydrogen
What is the effect of acid rain on plant soil?
Improve soil quality and increase nutrients
Erosion of essential minerals in the soil and release of toxic metals
Improve soil structure and enhance plant growth
Increase soil fertility
Which of the following methods is preferable to follow to confront the effects of acid rain on soil?
Adding large quantities of chemical fertilizers
Increasing the use of pesticides
Removing and ignoring contaminated soil
Using alkaline fertilizers such as lime to neutralize acids
Erosion of agricultural soil and change in its chemical composition results from...
Presence of carbonate salts in the soil
Water scarcity
Use of organic fertilizers
Change in the pH value of the soil
What is the effect of acid rain on plant growth?
No effect on plants
Increasing fruit production
Slowing plant growth
Improving plant growth
What is the main benefit of planting plants that cover the soil?
Reduce soil nitrogen
Increase soil acidity
Increase root growth in the soil
Prevent soil erosion and maintain moisture
If the soil contains a high percentage of moisture, this may lead to ..
Increase in soil acidity
Reducing the amount of water required for irrigation
Decrease in root aeration
Better plant growth
Among the acids that fall with rain after forming in the atmosphere...
Sulfuric acid
Nitric acid
Formic acid
Lactic acid
What is the main reason for the formation of acid rain?
Accumulation of dust in the atmosphere
Reaction of sulfur dioxide with water vapor
Evaporation of water from the oceans
Air pollution with plastic pollutants
When forest trees are removed, this may lead to ...
Soil erosion by rain
Improving the local climate
Maintaining moisture
Increasing soil fertility
Which of the following factors is considered the most influential in soil moisture fluctuations throughout the year?
Activity of microorganisms
Plant type
Climate change
Soil type
Which of the following options is best for increasing soil moisture retention capacity?
Using drip irrigation
Planting small plants
Phosphorus is one of the basic elements that plants need, because it helps to ...
Flower growth
Increase the green color of plant leaves
Strengthen plant roots
Healthy growth of plants
What is the main benefit of planting trees as windbreaks in agricultural areas?
Protecting soil from desertification
Improving soil drainage
Increasing soil moisture
Reducing soil nutrient requirements
Which of the following effects occurs to seeds when exposed to acid rain?
Increasing seed size
Delaying the germination process
Improving seed quality
Increasing the germination rate