Water scarcity: This term refers to a situation where there is not enough freshwater available for human use due to factors like population growth and climate change.
Drip irrigation: Drip irrigation is an efficient method of delivering water directly to plant roots by slowly dripping it through tubes or emitters placed near the base of each plant.
Flood irrigation: Flood irrigation involves flooding fields with water so that it covers the entire surface. This method is commonly used in areas with abundant water resources but may lead to wastage and nutrient loss.