An open trench left in between two adjacent strips of land after finishing ploughing is called

Correct option is A

Correct answer – (a) Dead furrow is the open trench formed when two furrows are turned away from each other. It remains as a channel between adjacent strips after ploughing. Hence, it is called dead furrow.
Information Booster / Facts Back furrow is the ridge formed when furrows are turned towards each other. Dead furrow helps in drainage and irrigation channels.
Why other options are incorrect (b) Back furrow forms a ridge, not an open trench. (c) Headland is the turning area at field ends. (d) Furrow slice is the soil cut by plough, not the trench.