Crop Production II - Planting Methods - JSS2 Agricultural science Past Questions and Answers - page 2
What is lightly covered with soil after broadcasting?
Seed drills
Furrows
Seeds
Seedlings
Which planting method is suitable for crops with high germination rates and tolerance to environmental conditions?
Direct seeding
Transplanting
Broadcasting
Watering
What is the purpose of using seed drills during direct seeding?
To create furrows in the soil
To water the seeds
To ensure precise seed placement
To transplant seedlings
What is the purpose of transplanting seedlings from a nursery to the main field?
To water the seedlings
To protect the seedlings from pests
To ensure proper germination
To promote further growth in the main field
Which method involves the use of mechanical broadcast spreaders?
Direct seeding
Transplanting
Broadcasting
Watering
Discuss the importance of planting methods in crop production.
Planting methods play a crucial role in crop production by influencing seed germination, plant establishment, and overall crop yield. Direct seeding involves placing seeds directly into the soil, promoting uniform germination and reducing transplant shock. Transplanting ensures the use of healthy seedlings, leading to better plant vigour, uniformity, and maturity. Broadcasting scatters seeds over the soil surface, requiring less labour but potentially leading to uneven distribution and competition among plants.
How does this planting method contribute to sustainability and reduced environmental impact in crop production?
Direct seeding promotes resource efficiency and labour optimization in agriculture by eliminating the need for transplanting seedlings. It reduces labour costs associated with nursery management and transplanting activities, making it a more time and cost-effective method. Additionally, direct seeding enhances soil health and biodiversity by minimising soil disturbance and preserving natural soil structure.
Discuss the advantages and challenges of transplanting as a planting method in agriculture.
Transplanting offers several advantages in agriculture, such as promoting crop uniformity, maturity, and overall productivity. Selecting healthy seedlings ensures uniform growth and reduces the risk of plant diseases and pest infestations. However, transplanting requires additional labour and resources for nursery management and transplanting activities, posing challenges in terms of cost and time efficiency.
Examine the economic implications of broadcasting as a planting method in agriculture.
Broadcasting as a planting method offers economic advantages in agriculture, especially in large-scale farming operations. It requires minimal labour and equipment compared to other planting methods, resulting in lower upfront costs and reduced operational expenses. However, broadcasting may lead to uneven seed distribution and competition among plants, affecting crop yield and quality.
Discuss the role of appropriate planting methods in sustainable agriculture.
Appropriate planting methods are essential for sustainable agriculture as they contribute to resource conservation, reduced environmental impact, and long-term ecological balance in crop production. Choosing the right planting method based on factors like soil type, climate, and crop characteristics can optimise resource use and minimise waste.