Roads are the lifeline for rural areas, bringing basic health and education services, as well as information, fertilizers and market access for farmers. Similarly, electricity access is directly correlated with farmers' ability to engage in value addition--both on the land and in processing.
Source: World Bank
Relying only on human labor or draught animals, farmers are limited in their ability to intensify production, producing less, while engaging in often back-breaking labor.
Source: FAO; UNIDO