Planting trees that improve soil quality can help boost crop yields for African farmers, an assessment shows. Fertiliser tree systems (FTS) also help boost food security and play a role in "climate proofing" the region's arable land, the paper adds.
![Trees 'boost African crop yields and food security'](https://cdn-ak-scissors.b.st-hatena.com/image/square/d40c55e2b1ff7f27895ed42c2593957ea24f05e8/height=288;version=1;width=512/https%3A%2F%2Fichef.bbci.co.uk%2Fnews%2F1024%2Fmedia%2Fimages%2F56049000%2Fjpg%2F_56049649_gliricidiasepium.jpg)
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