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