Plant-soil interrelationship, factor of evolution for bacterial populations

The rhizosphere is influenced by the region, soil and plant roots. The area that is not influenced by plant roots has been named edaphosphere. Plant roots release a wide range of compounds in the rhizosphere, which create unique micro-environments for the microorganisms present in the soil. By its root exudates, species Vicia sativa contributes to an increase in the bacterial density (fact proven by comparison with the control variant), to the improvement of the fertility of the soil (moderately gleyic eutric cambisol) on which it is cultivated and to plant growth. Even there are similarities between the rhizospheric area (culture medium: soil extract), control variants, and respectively edaphosphere (culture medium: soil extract) and rhizospherical bacteria isolated on Topping medium, small differences have been noticed

Changes in the structure of actinomycete populations in the rhizosphere of vicia sativa species

It is a known fact that species of legumes improve the soil they are grown on, but at the same time, they produce the so-called rhizosphere effect or rhizodeposit that has a selective effect on the microorganisms which are considered "fertility effectors" for soil. From the three studied area the highest number of actinomycetes was found in edaphosphere and the lowest number in the area influenced by roots. Among the few factors under research for the purpose of this paper, humus and potassium were observed to have the strongest impact on this group. Humidity is a factor that could change the competition between soil microorganisms and plants in the soil for N and it could affect the stability of aggregates

Changes in the structure of actinomycete populations in the rhizosphere of vicia sativa species

It is a known fact that species of legumes improve the soil they are grown on, but at the same time, they produce the so-called rhizosphere effect or rhizodeposit that has a selective effect on the microorganisms which are considered "fertility effectors" for soil. From the three studied area the highest number of actinomycetes was found in edaphosphere and the lowest number in the area influenced by roots. Among the few factors under research for the purpose of this paper, humus and potassium were observed to have the strongest impact on this group. Humidity is a factor that could change the competition between soil microorganisms and plants in the soil for N and it could affect the stability of aggregates

Plant-soil interrelationship, factor of evolution for bacterial populations

The rhizosphere is influenced by the region, soil and plant roots. The area that is not influenced by plant roots has been named edaphosphere. Plant roots release a wide range of compounds in the rhizosphere, which create unique micro-environments for the microorganisms present in the soil. By its root exudates, species Vicia sativa contributes to an increase in the bacterial density (fact proven by comparison with the control variant), to the improvement of the fertility of the soil (moderately gleyic eutric cambisol) on which it is cultivated and to plant growth. Even there are similarities between the rhizospheric area (culture medium: soil extract), control variants, and respectively edaphosphere (culture medium: soil extract) and rhizospherical bacteria isolated on Topping medium, small differences have been noticed

Graphical chemical fingerprints of parsley, dill and lovage leaves

The aim of this study is to emphasis the use of thermo gravimetrical water content and trace metals analysis to identify the chemical graphical fingerprints of parsley, dill and lovage leaves. Copper, zinc, manganese, iron, nickel and lead have normal concentration values that are not of any risk to human health. Cobalt, chromium and cadmium were not detectable in all studied samples. The water and present trace metals contents associated with mathematical models permits the identification of characteristics specific to the studied vegetable leaves as well as the graphical chemical fingerprints. The study is revealing similar distribution pattern

Graphical chemical fingerprints of parsley, dill and lovage leaves

The aim of this study is to emphasis the use of thermo gravimetrical water content and trace metals analysis to identify the chemical graphical fingerprints of parsley, dill and lovage leaves. Copper, zinc, manganese, iron, nickel and lead have normal concentration values that are not of any risk to human health. Cobalt, chromium and cadmium were not detectable in all studied samples. The water and present trace metals contents associated with mathematical models permits the identification of characteristics specific to the studied vegetable leaves as well as the graphical chemical fingerprints. The study is revealing similar distribution pattern