TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/88944/PDF/JPPR_52(4)_17_Feledyn-Szewczyk.pdf L2 - http://www.czasopisma.pan.pl/Content/88944 PY - 2012 IS - No 4 DO - 10.2478/v10045-012-0078-4 A1 - Feledyn-Szewczyk, Beata PB - Committee of Plant Protection PAS PB - Institute of Plant Protection – National Research Institute VL - vol. 52 DA - 2012 T1 - The effectiveness of weed regulation methods in spring wheat cultivated in integrated, conventional and organic crop production systems UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/88944 T2 - Journal of Plant Protection Research ER -