resizeAnnVixen 2015-04-07 11.51.15 Blåsippor i eklöv 2016-03-14 603 × 451 Compost – the black gold of urban farming No019 Share... emailFacebook0TwitterLinkedinReddit0Layers of leaves rest on top of the soil and break down over the winter making topsoil food for the trees, called humus. Photo: AnnVixen Share... emailFacebook0TwitterLinkedinReddit0 Share... emailFacebook0TwitterLinkedinReddit0Share... emailFacebook0TwitterLinkedinReddit0
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