Investments in water infrastructure alone cannot suffice to improve agricultural productivity in SSA.Farmers need secure access to inputs including fertilizer, better seeds, and credit.

• 仅仅增加水利基础设施投资还不足以提高非洲沙哈拉地区农业生产率，还需要确保稳定的化肥、优质种子和贷款等投入品供应。