Agroecological practices of legume residue management and crop diversification for improved smallholder food security, dietary diversity and sustainable land use in Malawi.

Malawi; Sub-Saharan Africa

The role of agroecological practices in addressing food security has had limited investigation, particularly in Sub-Saharan Africa. Quasi-experimental methods were used to assess the role of agroecological practices in reducing food insecurity in smallholder households in Malawi. Two key practices – crop diversification and the incorporation of organic matter into soil – were examined. The quasi-experimental study of an agroecological intervention included survey data from 303 households and in-depth interviews with 33 households. The survey sampled 210 intervention households participating in the agroecological intervention, and 93 control households in neighboring villages. Regression analysis of food security indicators found that both agroecological practices significantly predicted higher food security and dietary diversity for smallholder households: the one-third of farming households who incorporated legume residue soon after harvest were almost three times more likely to be food secure than those who had not incorporated crop residue. Qualitative semi-structured interviews with 33 households identified several pathways through which crop diversification and crop residue incorporation contributed to household food security: direct consumption, agricultural income, and changes in underlying production relations. These findings provide evidence of agroecology's potential to address food insecurity while supporting sustainable food systems. [ABSTRACT FROM AUTHOR]

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