(o)"unit of land" means-(i)two hectares of unirrigated land; or(ii)half hectare of land having facilities for growing one irrigated crop; or(iii)half hectare of land used for growing any plantation crop or grapes or coconut or arecanut or mulberry; or(iv)quarter hectare of land having perennial irrigation facilities, or having facilities for growing more than one irrigated crop in a year.
