Though the amount of arable land in Erhshui is limited, the warm climate and abundant rainfall, together with irrigation afforded by the Choshui River, has combined to produce a rich harvest of agricultural products, including rice, bananas, asparagus, pineapples and tobacco.
但因濁水溪流經東南，又有八堡一、二圳引濁水溪的水縱貫鄉壤，水利灌溉相當便利，加上雨量充沛、氣候溫和，故農產豐饒。主要農產品有稻米、香蕉、蘆筍、鳳梨、菸草等。據說濁水溪的水含砂量大，經它灌溉的田地，特別肥沃。