Q BankQuestion BankDocsDocuments

D4.2.7—Agriculture sustainability factors

Agricultural sustainability depends on conserving soil, nutrients, water, biodiversity, and carbon while maintaining food production over repeated harvests and seasons.

Syllabus
First assessment 2025
Objective
D4.2.7
Level
SL

Concept essentials

  • Harvesting crops removes nutrients, so agricultural systems need replacement or recycling to maintain production.
  • Natural ecosystems often remain more sustainable because biodiversity and nutrient cycling are stronger.
  • Phosphate fertilizers can increase yield while also creating depletion and eutrophication risks.
ConceptIB Biology SL