Author: Mariyan Yanev, Nikolina Shopova
efficacy
15. Efficacy of herbicides for control of broadleaf weeds in winter wheat (Triticum aestivum l.)
Author: Biserka Yankova, Anyo Mitkov, Nesho Neshev, Mariyan Yanev, Tonyo Tonev
3. Biological efficacy of systems of herbicides in middle earth potatoes
Author: Hristina Bakracheva, Shteliyana Kalinova
