tillage

noun tillage

• agriculture — Agriculture is farming and the methods that are used to raise and look after crops and animals.
• agrology — the scientific study of soils and their potential productivity
• agronomics — the branch of economics dealing with the distribution, management, and productivity of land
• agronomy — the science of cultivation of land, soil management, and crop production
• continents — one of the main landmasses of the globe, usually reckoned as seven in number (Europe, Asia, Africa, North America, South America, Australia, and Antarctica).