WAEC - Agricultural Science (2017 - No. 22)
The correct sequence of pre-planting operations in
\(clearing \to stumping \to ploughing \to harrowing\)
\(stumping \to ploughing \to harrowing \to clearing\)
\(bulldozing \to harrowing \to stumping \to ploughing\)
\(clearing \to bulldozing \to stumping \to harrowing\)