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| Title | WaNuLCAS version 4.0, Background on a model of water nutrient and light capture in agroforestry systems | | Author | Meine van Noordwijk, Betha Lusiana, Ni'matul Khasanah and Rachmat Mulia | | Year | 2011 | | Publisher | World Agroforestry Centre - ICRAF, SEA Regional Office | | City of Publication | Bogor, Indonesia | | Number of Pages | 224 | | Call Number | MN0052-12 | | ISBN | 978-979-3198-59-0 |
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| Abstract: |
Sustainable land use systems can be provided through agroforestry practices. Agroforestry is an agricultural approach of using the benefits from combining trees and crops and/or livestock. Therefore, knowledge on selection of species combination and good management of trees and crops are needed to maximize the production and positive effects of trees and to minimize negative competitive effects on crops. However, empirical assessment of tree crop combinations is laborious, cost expensive and time consuming. One method for overcoming this lack of information is through development of model which integrate soil-tree-crop interaction between components of agroforestry.
The WaNuLCAS model was developed to represent tree-soil-crop interactions in a wide range of agroforestry systems where trees and crops overlap in space and/or time (simultaneous and sequential agroforestry).
The model is based on above and below ground architecture of tree and crop, elementary tree and crop physiology and soil science (daily water, N, P and SOM balance for 4 soil layers and 4 horizontal zones).
The model was developed in the Stella modeling platform and can be used to assess the performance in terms of profitability as well as sustainability of various agroforestry systems. |
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