Sweetpotato, with a global annual planting area of approximately 9 million ha, is the second most important tropical root crop. It is widely adapted, being grown in more than 110 countries. Early maturing varieties grow in 3-4 months. It is hardy and has multiple uses. Both roots and foliage are...

The coastal areas in Bac Lieu Province of the Mekong Delta have undergone rapid changes in environmental and socio-economic conditions since the early 1990s when a saltwater control project was established to promote food crop production in the traditional rice-saltwater-based farming areas. A...

Shrimp farming has proved to be a highly profitable agricultural activity compared to rice farming in coastal areas with brackish water. It is, however, widely perceived that shrimp farming has negative effects on socioeconomic equity, food security and the environment. In response to the negative...

Bac Lieu, a coastal province in the Mekong Delta of Vietnam, faced rapid changes in environmental and socio-economic conditions in the early 1990s when the government started investing in the construction of a series of coastal embankments and sluices along the coast. The purpose of these...

This chapter assesses the contributions of international research centres to rice productivity gains in developing countries of Asia and latin America, focusing specifically on 12 countries in South and Southeast Asia (Bangladesh, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Pakistan, the...

It is well recognized in the development literature that movement in and out of poverty is caused by several demographic, economic and natural factors that are within and outside the control of the household. This chapter uses primary data collected from a sample survey of 911 households to...