Drip irrigation is an irrigation technique that has as its aim to save the water: only the necessary amount of water is released and the water is applied in a matter that directs it directly to the plant's roots.
The key characteristics of this method is, as the name suggests, dripping. The water drips at a pace which can be regulated, which means that at no point is the water is poured in abundance, which usually leads to large portions of water evaporating.