Final answer:
A farmer or gardener can encourage carbon sequestration in the soil through planting cover crops, implementing no-till farming, and applying organic amendments.
Step-by-step explanation:
A farmer or gardener can encourage carbon sequestration in the soil through various practices:
- Planting cover crops: Planting cover crops like legumes (e.g. clover, cowpeas) or grasses (e.g. ryegrass, oat) can increase carbon sequestration in the soil. These plants have the ability to capture atmospheric carbon and store it in their roots and biomass.
- Implementing no-till farming: No-till farming involves avoiding traditional plowing and tilling methods, which can release stored carbon into the atmosphere. Instead, the farmer leaves the previous crop residue on the soil surface to protect it, reducing the carbon loss.
- Applying organic amendments: Adding organic materials like compost or manure to the soil can increase its carbon content. These amendments provide a food source for soil microbes, which convert it into stable organic matter, sequestering carbon in the process.
By adopting these practices, farmers and gardeners can help in reducing atmospheric carbon dioxide levels and improving soil quality.