Crucial Agriculture info pt 2 Flashcards
Q: What are decomposers?
A: Organisms that break down organic material (e.g., bacteria, fungi).
Q: How do fungi contribute to decomposition?
A: They break down cellulose, proteins, and lignin, making nutrients available to plants.
Q: Why is the carbon cycle important?
A: It regulates Earth’s climate and supports life by recycling carbon through ecosystems.
Q: How do soils impact the carbon cycle?
A: Soils can act as carbon sinks or sources, depending on land use and management.
Q: What human activities increase atmospheric CO₂?
A: Burning fossil fuels, deforestation, and agricultural practices like burning crop residues.
Q: What is the nitrogen cycle?
A: The process of converting nitrogen into usable forms through biological and physical processes.
Q: How do humans impact the nitrogen cycle?
A: Through fertilizer use, fossil fuel combustion, and wastewater release.
Q: What are common agricultural water sources?
Bore water and River water
Q: Why is sustainable water use important?
A: Water is a finite resource, essential for crop and livestock production.
Q: What is the purpose of government legislation on on-farm water availability?
A: To restrict individual farmer water use, ensuring fair access and maintaining local ecosystems.