bibliographicCitation |
Zhou X, Helmers MJ, Asbjornsen H, Kolka R, Tomer MD. Perennial filter strips reduce nitrate levels in soil and shallow groundwater after grassland-to-cropland conversion. J Environ Qual. 2010 Nov;39(6):2006–15. doi: 10.2134/jeq2010.0151. PMID: 21284298. |