Maize is the second most important food crop in Vietnam after rice.

The demand for maize as food and feed has been steadily increasing.

Priority assessment for commodity improvement programmes has received methodological attention, yet innovation is needed for other, newer areas of research which have impact pathways that are harder to predict. Focusing on priority setting practices utilized in different international agricultural research institutes, this book discusses real world experiences and innovations with priority assessment methods. Chapters present approaches that have been used to articulate, explore and assess impact pathways and research priorities, while also considering their strengths and weaknesses and drawing together methodological lessons.

This report presents the life cycle inventories of the five studied crops. Section 2 of the document presents the type of data that can be sourced from the database, the data collection methods, and highlights the data gaps. Section three presents the life cycle inventory providing information on the data and data sources, assumptions and data gaps and how these were addressed. The Annexes provide information on crop yield distributions, data on nitrogen application rates, pesticide use and information on field processes and machinery use.