LATIFA, I.C. and ANGGARWULAN, E. 2016. Nitrogen content, nitrate reductase activity, and biomass of kimpul (Xanthosoma sagittifolium) on shade and nitrogen fertilizer variation. Nusantara Bioscience. 1, 2 (Nov. 2016). DOI:https://doi.org/10.13057/nusbiosci/n010203.