Define the term conservation.

Here are the answers to your agriculture questions:

1. Define the term conservation. Conservation is the protection, preservation, management, or restoration of natural resources and the environment.

2. What is the meaning of soil conservation? Soil conservation refers to the management of soil to prevent its degradation, erosion, or loss of fertility through various practices and techniques.

3. Otieno used an agriculture textbook to search methods of soil conservation. State four methods of soil conservation he discovered.

   • Terracing
   • Contour farming
   • Strip cropping
   • Mulching

4. Grade 8 learners visited a nearby farm. They saw a soil conservation method where the farmer had grown different crops in alternate strips across a slope. Identify the soil conservation method. The soil conservation method is strip cropping.

5. A resource person mentioned human activities that can lead to soil erosion. State three human activities the resource person mentioned.

   • Deforestation (clearing forests)
   • Overgrazing (too many livestock on land)
   • Improper farming practices (e.g., ploughing up and down slopes)

6. Explain the role of contour farming in preventing soil erosion. Contour farming involves ploughing and planting across the slope, following the natural contours of the land. This creates ridges that act as barriers, slowing down the flow of water runoff and allowing more water to infiltrate the soil, thereby reducing soil erosion.

7. Mr. Muriuki a farmer from Nanyuki talked about the importance of cover cropping in soil conservation. Describe the importance of cover cropping in soil conservation according to Mr. Muriuki. According to Mr. Muriuki, cover cropping is important because the crops protect the soil surface from the direct impact of rain and wind, which reduces erosion. They also add organic matter to the soil as they decompose, improving soil structure and fertility.

8. An agriculture teacher taught mulching as a method of soil conservation. State two importance of mulching in relation to soil conservation.

   • Mulching reduces the impact of raindrops and wind on the soil surface, preventing erosion.
   • It conserves soil moisture by reducing evaporation, which helps maintain soil structure and supports plant growth.

9. How does planting grass strips along the slopes help in controlling soil erosion? Planting grass strips along slopes helps control soil erosion because the dense root systems of the grass hold the soil particles together, preventing them from being washed away. The grass also acts as a physical barrier, slowing down water runoff and trapping eroded soil particles.

10. Mr. Malombe discussed the importance of soil conservation in Mr. Malombe discussed the importance of soil conservation in maintaining soil fertility for sustainable crop production, preventing desertification, and protecting water quality by reducing sediment runoff into rivers and lakes.