Crop Production II (Continued) - Fertilisers and Fertilisation, Pest and Disease Control in Crops - JSS2 Agricultural science Past Questions and Answers - page 2
What method involves understanding crop nutrient requirements and applying fertilisers appropriately?
Crop Rotation
Soil Testing
Nutrient Management
Fungicides and Insecticides
Which approach combines biological, cultural, and chemical methods to control pests?
Crop Rotation
Fungicides
Integrated Pest Management (IPM)
Sanitation Practices
What is the purpose of preventive measures in agriculture?
To control pests and diseases after they occur
To apply fertilisers randomly
To maintain crop health
To eliminate weeds
What technique involves adjusting strategies based on observed outcomes and feedback?
Experiential Learning
Adaptive Management
Fertigation
Soil Testing
What term refers to gaining knowledge through hands-on activities and real-life situations?
Experiential Learning
Crop Rotation
Sanitation Practices
Fungicides and Insecticides
Discuss the significance of fertilisers in crop production.
Fertilisers are pivotal in crop production as they supply crucial nutrients necessary for plant growth and development. By providing essential elements like nitrogen, phosphorus, and potassium, fertilisers support various physiological processes within plants, including photosynthesis, cell division, and nutrient uptake. This supplementation ensures that plants have access to the nutrients they need, leading to improved growth, increased yield, and enhanced crop quality.
Examine the importance of nutrient management in sustainable agriculture.
Nutrient management plays a vital role in sustainable agriculture by maintaining soil fertility and optimising plant nutrition. Balancing and optimising essential nutrients, such as nitrogen, phosphorus, and potassium, ensure that plants have access to the nutrients they require for healthy growth and development. This contributes to improved soil health by preventing nutrient depletion and promoting microbial activity.
Discuss the goals and challenges of pest and disease control in crops.
The primary goal of pest and disease control in crops is to minimise the negative impact of pests and diseases on crop yield and quality. Effective control measures involve implementing integrated pest management strategies that combine biological, cultural, and chemical methods.
Examine the role of preventive measures in integrated pest management.
Preventive measures are integral to integrated pest management as they aim to minimise pest and disease pressure before it becomes a problem. By implementing proactive measures such as crop rotation, planting resistant varieties, and practising good field hygiene, farmers can reduce the need for chemical interventions.
Discuss the value of case studies and practical application in learning about fertilisers, nutrient management, and pest and disease control.
Case studies and practical application are invaluable tools for enhancing students' practical knowledge and skills in agriculture. Real-world examples provide context and illustrate the application of theoretical concepts in agricultural settings. Hands-on experiences allow students to apply their knowledge in real-life scenarios, reinforcing learning outcomes and developing critical thinking and problem-solving skills.