What are the accurate models to study the tree crop interactions in Agroforestry?
Wanulcas,HyPAR ,STICS-CA, ,Wimisa TREEGRASS are some of the models , have a look
Hi Felix Mueller,
Please follow the following links and go through the attachments for the answer.
1. http://www.fao.org/docrep/article/wfc/xii/0234-b1.htm
2. http://link.springer.com/article/10.1023%2FA%3A1006243032538
3. http://www.jstor.org/stable/23616544?seq=1#page_scan_tab_contents
4. http://www.indianforester.co.in/index.php/indianforester/article/view/3308
5. http://www.organicresearchcentre.com/?go=Research%20and%20development&page=Eco-agroforestry&i=projects.php&p_id=11
6. https://www.academia.edu/171134/Resource_capture_and_tree-crop_interaction_in_Albizia_procera-based_agroforestry_system
That's a good question. I did research with N15-enriched fertilizer (isotope tracer). The fertilizer was applied early in the season. Later, I took samples of leaves, soil and crop and had them analyzed for N15, to see where it went. Yes, the trees did take it up, indicating that they absorbed N from the crop field.
In this type of experiment, it's important to do trenching in some of the plots (as a control) - dig a trench between trees and crops and line the trench with black plastic underground, to prevent tree/crop roots from interacting.
There are several models nowadays, including Wanlucas and others.
Wish you the best.
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