Allelopathic effect of aqueous extract from root systems of Johnson grass on seed germination and initial development of soybean, pea and vetch

by Kalinova Shteliyana, Golubinova Irena, Hristoskov Angel, Ilieva Anna
Published 2012-01-01

Nitrogen content in plant biomass from subterranean clover (Trifolium subterraneum L.) and cocksfoot (Dactylis glomerata L.) grown under different inorganic nitrogen supply

by Vasileva Viliana, Kocheva Konstantina, Mincheva Janet, Georgiev Georgi, Ilieva Anna, Porqueddu Claudio
Published 2015-01-01