Godlewska, A. | Ciepiela, G.A. The effect of the biostimulant Kelpak SL on Lolium perenneL : yield, protein and chlorophyll contents at different nitrogen levels 2015 - Pisa University Press Is part of Agrochimica : International Journal of Plant Chemistry, Soil Science and Plant Nutrition of the University of Pisa : 59, 2, 2015 Permissions Download Copy/paste Printing Download | Copy/paste | Printing EUR 10.00 VAT Excluded Purchase PDF a Article