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Buffering soil water supply to crops by hydraulic equilibration in conservation agriculture with deep-rooted trees: application of a process-based tree
Author
Meine van Noordwijk, Rachmat Mulia and Jules Bayala
Editor
Damien Hauswirth, Pham Thi Sen, Oleg Nicetic, Florent Tivet, Le Quoc Doanh, Elske Van de Fliert, Gunnar Kirchhof, Stéphane Boulakia, Stéphane Chabierski, Olivier Husson, André Chabanne, Johnny Boyer, Patrice Autfray, Pascal Lienhard, Jean-Claude Legoupil and Matthew L. Stevens
Year
2012
Parent Title
The 3rd International Conference on Conservation Agriculture in Southeast Asia. Hanoi, Vietnam, December 10-15, 2012
Publisher
CIRAD, NOMAFSI, University of Queensland
City of Publication
Hanoi, Vietnam
Pages
176-179
Call Number
PP0324-13
Abstract:
Farmers deal with risks such as weather, pests, diseases, costs of inputs, market
prices of products, (family) labour availability, policies regulating land use and, in
some contexts, open interpersonal conflict. Perennial components of agricultural
systems, especially trees, provide buffer and filter functions that modify, and
generally reduce, the farmers’ sensitivity to such external variables. Maintaining
a diversity of activities is a time-tested approach to reducing risks (van Noordwijk
et al. 1994). The inclusion of trees that provide annual harvests of fruits or longterm
high-value timber can reduce risk, even if the trade-off in resource capture
is essentially neutral (Santos-Martin and van Noordwijk 2011). Trees shelter
farmers from climate variability and assist in adaptation to longer-term trends (van
Noordwijk et al. 2011a).
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