Tillage is the agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring and overturning, and

• A. where agriculture involves human labour it is done using hand tools which includes shovelling, picking, mattock work, hoeing and raking.
• B. where agriculture involves human labour it is done using hand tools which includes shovels, picks, mattocks, hoes and rakes.
• C. agriculture involving human labour is done by hand tools which includes shovelling, picking, mattock work, hoeing and raking.
• D. there where it involves human labour, shovelling, picking, mattock work, hoeing and raking are done