Epie, K. E., Santanen, A., Mäkelä, P. S., & Stoddard, F. (2018). Fertilizer and intercropped legumes as nitrogen source for Jerusalem artichoke (Helianthus tuberosus L.) tops for bioenergy. Agricultural and Food Science, 27(3), 199–205. https://doi.org/10.23986/afsci.70110