BIO-FERTILIZERS � AN IMPORTANT SOURCE OF NITROGEN FOR THE ECOLOGICAL AGRICULTURE

Simona Crisan, L. Halmagean

KEY WORDS: bacterial product, bio-fertilizer and symbiosis

ABSTRACT

Bacterial product Biotrofin, used for experimentation purposes in Arad agro-ecological area, was analyzed in relation with the dose and means of application for ammonia fertilizers and phosphorus fertilizers. The influence of molybdenum microelement on the symbiosis was monitored for the garden bean cultures used for sowing.