Author: Dimitar Ziapkov, Angel Trifonov
weed control
34. Effect of some herbicides on the chemical composition of seeds of winter and spring peas varieties
Author: Svetlin Ivanov, Siyka Angelova, Maya Dimitrova
Author: Dimitar Ziapkov, Angel Trifonov
Author: Svetlin Ivanov, Siyka Angelova, Maya Dimitrova