Ariani C. WartenbergWilma J. BlaserJames M. RoshetkoMeine Van NoordwijkJohan Six2021-04-202021-04-202020Plant Soil (2020) 453:87–104http://hdl.handle.net/123456789/8229enAgroforestrySoil fertilityYieldsTheobroma cacaoShade treesSoil fertility and Theobroma cacao growth and productivity under commonly intercropped shade-tree species in Sulawesi, IndonesiaArticle