Soils and Plant Nutrition Practice Test 2009
- List four uses of soil
- Describe the three components of a typical soil.
- Describe the PCOTT factors in soil formation.
- The layers of a soil that Mr. Rick showed in his pictures are called _____.
- Explain what is meant by a soil's texture.
- Rank the three soil particle sizes (that determine texture) from biggest to smallest.
- Describe the texture of your soil?
- Where do plants get most of their carbon?
- List the three key plant nutrients.
- List three mobile nutrients.
- For NPK, describe each is important for the plant.
- Plant nutrients are classified as macro/micro and mobile/immobile. Compare and contrast these two ways of thinking about plant nutrients.
- How can you see an element needed for making chlorophyll (photosynthesis) is deficient?
- Why does waiting until you see the symptoms reduce your plant output?
- When it comes to plant nutrients can there be too much of a good thing? Explain.
- You notice the bottom leaves of your plant are yellowing but still have green veins. Is the deficiency a mobile or immobile nutrient? Explain.
- What is the most effective way to improve soil structure?
- What is pH?
- How can pH affect a plant's growth?
- Why did we add ground limestone to out potting soil mix?
- The fertilizer package reads 20 - 15 - 5. Explain what that means.
- What is the major benefit of compost?
- Why does the City of Oak Harbor want you to compost?
- Explain why having aerobic decomposition is preferable to anaerobic.
- Why is having a "hot" pile so important?
- Draw a diagram of the compost pile "lasagna"?
- Your neighbor has an ammonia-smelling compost pile. What is his problem?