Lejiņš, A. and Lejiņa, B. 2015. THE BUCKWHEAT ROLE IN CROP ROTATION AND WEED CONTROL IN THIS SOWINGS IN LONG TERM TRIAL. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 1, (Aug. 2015), 141–146. DOI:https://doi.org/10.17770/etr2009vol1.1102.