Facilitating the Diffusion of Alternative Cropping Systems for Mountain Agriculture in Vietnam
- 10 May 2006
- journal article
- Published by Informa UK Limited in Journal of Sustainable Agriculture
- Vol. 27 (4), 137-157
- https://doi.org/10.1300/j064v27n04_10
Abstract
In the mountain areas of Northern Vietnam, the past decade was marked by rapid changes in agricultural production systems. Under the new land policies, some farmers had no other choice than to return to the traditional slash and burn cropping systems. Now, however, land allocation to individuals prevents farmers from shifting cultivation to newly cleared land, which is necessary to regenerate soil fertility, and thus for slash and burn practices to remain sustainable. As a consequence, in some villages there is an increasing risk of land degradation. As livestock feeding relies mainly on natural resources, land degradation results in chronic shortages of forage and more generally to a crisis in traditional production systems. To tackle these issues, the Mountain Agrarian Systems Program has designed alternative cropping systems based on direct seeding under a cover crop. Beside their widely recognized role in the conservation of soil and natural resources, these innovative techniques also provide good forage for the farm animals. However, their diffusion implies a profound reorganization of the crop-livestock systems at complementary scales from field, farm, and up to the village community. Accompanying such changes requires that all partners jointly develop communication procedures based on a common knowledge base. In this paper we discuss the spatial compartment model, a graphic discussion and simulation tool used to represent a village in a way that allows both researchers and local stakeholders to understand and visualize their individual and collective situations. We used the model to test a set of cropping innovations through a participatory simulation with local farmers. The farmers were very interested in the new techniques, and some began to test them on their own land. The spatial compartment model proved to be an effective communication tool between scientists and local stakeholders.Keywords
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