Please tell me, what article (the or a) should I use in the following title?
The study of biological effectiveness of perspective strains of antagonistic bacteria for the suppression of pathogenic nematodes and root rot fungi in (the/a) rhizosphere of potatoes
Please tell me, is this gramatically correct?
Inoculum- 40 grams per pot (600 ml of soil) of barley grains infected by Fusarium oxysporum.
#1 = "the"
#2 - it is correct.