Environmental Studies ยท Geography
Agricultural Practices and Land Use
3,672 Questions
Access a comprehensive collection of questions on agricultural practices and land use planning. The topics span organic farming, sustainable agriculture, soil conservation, and crop rotation. These concepts are essential for general awareness preparation across banking, railway, and civil services examinations.
Organic farming methodsSustainable agricultureSoil conservation techniquesCrop rotation benefits
Agricultural Practices and Land Use Questions
In the context of sustainable agriculture, which type of rice cultivation method is gaining attention for its reduced water usage and environmental impact?
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Drip Irrigation
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Aquaponics
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Hydroponics
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System of Rice Intensification (SRI)
D
Correct answer
Explanation
The System of Rice Intensification (SRI) is a sustainable rice cultivation method that emphasizes water conservation and improved soil health. It involves practices such as transplanting young rice seedlings, maintaining optimal spacing between plants, and intermittent irrigation, resulting in increased yields with reduced water usage.
Which soil management practice aims to reduce soil erosion and conserve soil moisture?
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Contour plowing
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Crop rotation
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Mulching
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Terracing
Correct answer
Explanation
Contour plowing, crop rotation, mulching, and terracing are all soil management practices that aim to reduce soil erosion and conserve soil moisture.
Which soil management practice involves rotating different crops on the same land in a sequential manner?
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Contour plowing
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Crop rotation
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Mulching
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Terracing
B
Correct answer
Explanation
Crop rotation is a soil management practice that involves rotating different crops on the same land in a sequential manner to maintain soil fertility and reduce pest and disease problems.
Which agricultural practice can help reduce greenhouse gas emissions?
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Conventional tillage
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Crop rotation
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Synthetic fertilizer application
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Rice cultivation with continuous flooding
B
Correct answer
Explanation
Crop rotation is an agricultural practice that involves growing different crops in the same area in sequential seasons. It helps improve soil health, reduce the need for synthetic fertilizers, and mitigate greenhouse gas emissions.
Which agricultural practice can help improve soil health and reduce erosion?
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No-till farming
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Monoculture cropping
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Frequent plowing
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Burning crop residues
A
Correct answer
Explanation
No-till farming is a conservation agriculture practice that involves minimal soil disturbance. It helps improve soil structure, increase organic matter content, and reduce soil erosion, making it more resilient to climate change impacts.
How can agroforestry contribute to climate change mitigation?
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It reduces the need for synthetic fertilizers
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It enhances carbon sequestration in soil
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It increases the demand for water resources
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It promotes the use of genetically modified crops
B
Correct answer
Explanation
Agroforestry practices, such as integrating trees and shrubs into agricultural systems, can enhance carbon sequestration in soil. Trees and shrubs absorb carbon dioxide from the atmosphere and store it in their biomass and roots, contributing to climate change mitigation.
Which agricultural practice can help reduce methane emissions from livestock?
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Feeding livestock with high-quality feed
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Using antibiotics in animal feed
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Increasing the number of livestock per unit area
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Allowing livestock to graze on natural grasslands
A
Correct answer
Explanation
Feeding livestock with high-quality feed, such as legumes and grasses, can help reduce methane emissions by improving digestion and reducing the amount of methane produced during the fermentation process in the rumen.
How can farmers reduce the use of synthetic fertilizers in agriculture?
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Applying fertilizers based on soil testing
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Using organic fertilizers instead of synthetic ones
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Increasing the frequency of irrigation
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Planting genetically modified crops that require less fertilizer
A
Correct answer
Explanation
Applying fertilizers based on soil testing helps ensure that crops receive the right amount of nutrients, reducing the risk of over-fertilization and minimizing the need for synthetic fertilizers.
How can farmers reduce the vulnerability of their crops to pests and diseases under changing climate conditions?
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Using pesticides and herbicides more frequently
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Planting genetically modified crops resistant to pests and diseases
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Promoting biodiversity in agricultural systems
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Increasing the use of synthetic fertilizers
C
Correct answer
Explanation
Promoting biodiversity in agricultural systems, such as planting diverse crop varieties and maintaining natural habitats, can enhance the resilience of crops to pests and diseases, reducing the need for chemical inputs.
Which agricultural practice can help reduce soil erosion and improve soil health?
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Contour farming
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Monoculture cropping
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Slash-and-burn agriculture
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Overgrazing
A
Correct answer
Explanation
Contour farming is an agricultural practice that involves farming along the contours of the land, helping to reduce soil erosion and improve water infiltration.
Which agricultural practice can help reduce the release of nitrous oxide, a potent greenhouse gas, from agricultural soils?
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Using nitrification inhibitors
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Applying excessive amounts of nitrogen fertilizers
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Burning crop residues
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Leaving agricultural fields fallow
A
Correct answer
Explanation
Using nitrification inhibitors is an effective strategy to reduce nitrous oxide emissions from agricultural soils. These inhibitors slow down the conversion of ammonium to nitrate, thereby reducing the amount of nitrous oxide produced.
How can we promote the provision of regulating services in agricultural landscapes?
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Reduce the use of pesticides and fertilizers.
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Increase the diversity of crops.
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Plant trees and hedgerows.
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All of the above
D
Correct answer
Explanation
To promote the provision of regulating services in agricultural landscapes, we can reduce the use of pesticides and fertilizers, increase the diversity of crops, and plant trees and hedgerows, as these practices help to improve soil health, reduce erosion, and enhance biodiversity.
How can genetic engineering contribute to sustainable agriculture?
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By reducing the use of chemical pesticides and fertilizers
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By improving crop resilience to climate change
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By increasing water-use efficiency
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All of the above
D
Correct answer
Explanation
Genetic engineering can contribute to sustainable agriculture by reducing the use of chemical pesticides and fertilizers, improving crop resilience to climate change, increasing water-use efficiency, and promoting soil health.
What is the main reason why farmers clear forests for agriculture?
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To increase crop yields
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To access new land for farming
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To reduce soil erosion
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To improve water quality
B
Correct answer
Explanation
Farmers clear forests for agriculture primarily to access new land for farming.
Which of the following is NOT a potential benefit of sustainable intensification?
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Increased crop yields
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Reduced deforestation
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Improved water quality
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Increased pesticide use
D
Correct answer
Explanation
Sustainable intensification does not necessarily lead to increased pesticide use.