Which of the following options is the best way to increase soil fertility and improve its structure?
Add organic fertilizer or compost
Plant crops with deep roots
Add chemical fertilizers regularly
Use drip irrigation only
What is the main benefit of planting trees as windbreaks in agricultural areas?
Increasing soil moisture
Reducing soil nutrient requirements
Protecting soil from desertification
Improving soil drainage
Sometimes fertilizers are added... to balance the acidity in the soil
Organic
Natural
Biological
Alkaline
How do leguminous plants contribute to improving soil fertility?
By fixing atmospheric nitrogen in the soil
By reducing the plants' need for other nutrients
By increasing the water content in the soil
By increasing water drainage from the soil
Why is it preferable to use a moisture meter instead of relying on visual observation only?
Because the device is cheaper than visual inspection
To accurately determine the water level
Because dry soil always looks wet
Because it also measures the soil temperature
Which of the following is a potential negative effect of over-irrigation?
Soil water saturation and root destruction
Increasing soil aeration
Promoting deep root growth
Improving nutrient uptake
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
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 activity of beneficial fungi
Increasing the absorption of toxic metals by plants
Which of the following oxides is considered an air pollutant?
NO2
NaO2
KO2
LiO2
What is the expected effect of excessively increasing soil moisture on plants?
Increased carbon dioxide absorption
Root rot
Faster plant growth
Increased nutrient absorption
It is considered an element... of the toxic elements in the soil that causes the death of the plant.
Nitrogen
Magnesium
Aluminum
Calcium
Which of the following methods causes an increase in the effect of acid rain on the soil?
Imposing laws to regulate pollutant emissions
Reducing emissions
Increasing industrial activity and fuel combustion
Using organic fertilizers
Which of the following is considered a direct effect of acid rain on agricultural crops?
Improve crop stability under changing environmental conditions
Promote healthy crop growth
Reduce crop quality and productivity
Increase agricultural crops
What is the effect of acid rain on plant soil?
Improve soil quality and increase nutrients
Improve soil structure and enhance plant growth
Erosion of essential minerals in the soil and release of toxic metals
Increase soil fertility
Among the acids that fall with rain after forming in the atmosphere...
Formic acid
Lactic acid
Nitric acid
Sulfuric acid
What is the main benefit of planting plants that cover the soil?
Prevent soil erosion and maintain moisture
Increase root growth in the soil
Increase soil acidity
Reduce soil nitrogen
If the soil contains a high percentage of moisture, this may lead to ..
Increase in soil acidity
Better plant growth
Decrease in root aeration
Reducing the amount of water required for irrigation
What is the effect of acid rain on some toxic minerals in the soil?
Disappearance from the soil
Transformation into useful minerals
Decreased deposition in the soil
Increased deposition in the soil
What is the primary environmental benefit of using organic fertilizers instead of chemical fertilizers?
Reducing the need for irrigation
Increasing soil water saturation
Improving soil acidity
Increasing soil quality in the long term
When bacteria and fungi grow more in the soil, this is an indication of ...
Decreased decomposition and decreased moisture
Increased decomposition and increased moisture
Increased decomposition and decreased moisture
Decreased decomposition and increased moisture
When using a moisture meter, if the moisture value is very high, this indicates ..
Soil saturation with water
Decrease in water level
Increased soil salinity
Increased evaporation
Soil quality can be improved and erosion prevented by...
Increasing soil acidity
Reducing organic matter
Vegetation cover
Planting a single crop
Which of the following options is best for increasing soil moisture retention capacity?
Using drip irrigation
Planting small plants
Adding agricultural lime
Adding chemical fertilizers
The plant depends on the element ... mainly in the process of flower growth
Phosphorus
Oxygen
Potassium
Phosphorus is one of the basic elements that plants need, because it helps to ...
Increase the green color of plant leaves
Strengthen plant roots
Flower growth
Healthy growth of plants
What is the main reason for the formation of acid rain?
Evaporation of water from the oceans
Reaction of sulfur dioxide with water vapor
Accumulation of dust in the atmosphere
Air pollution with plastic pollutants
Acid rain reacts after falling on the soil with...
Nitrate salts and minerals
Oxides and minerals
Carbonate salts and minerals
Acids and minerals
Which of the following statements expresses acid rain?
Increases soil fertility
Free of pollutants
Increases soil salinity
Occurs as a result of burning fuel
Which of the following factors is considered the most influential in soil moisture fluctuations throughout the year?
Plant type
Soil type
Climate change
Activity of microorganisms
One of the important minerals in the soil that helps increase soil fertility...
Lead
Mercury
What is the effect of acid rain on plant growth?
Increasing fruit production
Slowing plant growth
Improving plant growth
No effect on plants
Which of the following effects occurs to seeds when exposed to acid rain?
Delaying the germination process
Increasing seed size
Improving seed quality
Increasing the germination rate
What is the most effective way to improve clayey soil drainage?
Planting shallow rooted plants
Adding sand
Adding nitrogen fertilizers
Increasing irrigation rate
When forest trees are removed, this may lead to ...
Soil erosion by rain
Maintaining moisture
Improving the local climate
Increasing soil fertility
Which of the following methods is preferable to follow to confront the effects of acid rain on soil?
Increasing the use of pesticides
Removing and ignoring contaminated soil
Adding large quantities of chemical fertilizers
Using alkaline fertilizers such as lime to neutralize acids
What is the effect of acid rain on forests?
Deterioration of tree health and death
Increased tree growth
Improving biodiversity in forests
Increased resistance of trees to diseases
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 elements is depleted from the soil due to acid rain?
Silicon
Carbon
If soil measurements show high acidity levels, what is the best procedure to improve the soil?
Reducing the number of plants planted
Increasing soil water content
Which of the following gases contributes to the formation of acid rain?
Carbon dioxide
Hydrogen