Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 2
Written by George TOADER, Cătălin-Ioan ENEA, Daniela TRIFAN, Leonard ILIE
The processes of interaction between the plant and the active soil microbiome are the determining factors of plant welfare and health, crop productivity and soil fertility. The new technologies applied in the agricultural field have as role the promotion of the growth and development of the plants, the sustainability of the agricultural crops, the maximization and the yield of the agricultural crops. The bacteria used in the composition of fertilization or plant protection products are selected bacteria, bacteria accredited by international gene banks, these bacteria being determinants and plant health. The associativity of bacterial cultures has the role of developing and supporting the growth of plants and their protection from certain diseases or pests, through various mechanisms. The use of live bacterial cultures in agriculture has different characteristics. The most important characteristics that these biopreparations have are represented by: the biological fixation of atmospheric nitrogen in the soil, the solubilization of phosphates, the acceleration of the ACC deaminase process, the production of siderophores and phytohormones, the growth and development of plants. The present paper aims to present the role on which the combinations of bacterial cultures that are used in agricultural ecosystems, bacterial cultures that can replace chemical fertilizers as well as some plant protection products. This article presents, in addition to the biology of each bacterium - the role, action and benefit that these bacterial cultures have in the activity of the soil microecosystem. The positive impact of biofertilizer “BioWais” on plant growth and development, enhancement of resistance of bacterized plants to hypothermia and pathogenic infection, increase of carotid content were demonstrated at the stations where we done the experiments.
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