Introduction to Crop Production - JSS3 Agricultural Science Past Questions and Answers - page 2
What is the primary objective of precision farming?
Maximising resource wastage
Optimising input use
Reducing crop yields
Ignoring technological advancements
How does crop production contribute to rural development?
By increasing poverty levels
By limiting employment opportunities
By providing income and livelihoods
By promoting urbanisation
What is the main challenge posed by climate change in crop production?
Reduced pest pressure
Increased crop yields
Altered weather patterns
Enhanced soil fertility
Which agricultural practice aims to enhance carbon sequestration and biodiversity?
Precision farming
Hydroponics
Agroforestry
Crop rotation
What is the primary importance of sustainable agriculture practices?
Maximising resource depletion
Enhancing soil health
Promoting monoculture
Ignoring environmental impacts
What is the primary importance of crop production?
Crop production is crucial as it supports agricultural economies by generating income, providing livelihoods, and contributing to national food security. Additionally, it serves as a foundation for various industries by supplying raw materials for processing and manufacturing.
Which factor significantly influences crop growth and development?
Soil fertility is a critical factor that significantly influences crop growth and development. The type of soil, its nutrient content, structure, and pH level all play vital roles in determining plant health and productivity. Farmers often employ soil management practices to optimise soil fertility and ensure optimal conditions for crop growth.
What is the primary goal of sustainable agriculture practices such as crop rotation?
The primary goal of sustainable agriculture practices like crop rotation is to improve soil health and fertility while minimising the reliance on chemical inputs. By alternating crops in a specific sequence, farmers can reduce soil erosion, control pests and diseases, and enhance nutrient cycling.
How does crop production contribute to national economies?
Crop production contributes to national economies by generating income through the sale of agricultural products and exporting surplus crops. Additionally, it creates employment opportunities along the agricultural value chain, including farming, processing, distribution, and marketing.
What poses significant risks to crop yields and quality in crop production?
Pests and diseases pose significant risks to crop yields and quality in crop production. Pathogens, insects, weeds, and other pests can cause substantial damage to crops, leading to yield losses and reduced product quality. Implementing integrated pest management strategies and disease control measures is crucial for minimising these risks and ensuring sustainable crop production.