Soil Conservation Methods - JSS1 Agricultural science Past Questions and Answers - page 1
What is the primary goal of soil conservation in agriculture?
Maximising soil erosion
Depleting soil nutrients
Minimising soil loss and maintaining soil health
Promoting monoculture
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Which of the following is an erosion control technique in agriculture?
Excessive ploughing
Deforestation
Cover cropping
Monocropping
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Why is soil moisture conservation important in agriculture?
To promote waterlogging
To deplete groundwater resources
To ensure optimal plant growth and reduce water runoff
To encourage desertification
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What is the primary objective of conservation tillage?
Maximising soil disturbance
Minimising soil erosion and preserving soil structure
Accelerating soil degradation
Eliminating all soil organisms
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Which conservation tillage practice involves leaving crop residues on the soil surface?
No-till farming
Conventional tillage
Deep ploughing
Harrowing
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How does cover cropping contribute to erosion control?
By increasing soil disturbance
By providing a protective cover to the soil
By promoting monoculture
By encouraging excessive ploughing
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What is a potential benefit of soil moisture conservation for crop production?
Increased water runoff
Reduced irrigation needs
Enhanced soil compaction
Depletion of groundwater resources
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Which erosion control technique involves planting vegetation along contours on sloping land?
Terracing
Mulching
Contour ploughing
Strip cropping
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Why is conservation tillage considered environmentally friendly?
It maximises soil disturbance
It eliminates all soil organisms
It reduces fuel consumption and carbon emissions
It accelerates soil degradation
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What is a potential drawback of excessive ploughing in agriculture?
Enhanced soil structure
Increased soil erosion
Improved water infiltration
Preservation of soil health
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