Rizol as a seed biofertilizer with symbiotic nitrogen fixers
Before we move on to describe the effects and uses of Risol for alfalfa, we need to understand what terms such as nitrogen fixation mean, as well as learn what symbiotic nitrogen fixatives that are part of our microbiological fertilizer are and how they behave.
What is nitrogen fixation and what is it for?
Nitrogen fixation is the process of converting inaccessible, atmospheric nitrogen into accessible compounds (NH4) that can be further be used like everything else on earth.
Nitrogen, which is about 78% of the atmosphere, becomes available to the rest of the living world thanks to nitrogen fixers – microorganisms that can only use gaseous nitrogen from the atmosphere and convert it into ammonia.
How do symbiotic nitrogen fixers work?
Symbiotic nitrogen fixers are bacteria that form nodules in the roots of leguminous plants (soybean, alfalfa, peas, beans, clover, etc.) and perform nitrogen fixation there. These bacteria are strictly specific to a particular plant species so that one species of bacteria forms nodules only on (one) corresponding plant species.
A symbiosis is established between the bacterium and the plant – a form of community in which the bacteria directly deliver accessible nitrogen to the plants, while the plants supply the bacteria with assimilators (nutrients they have created in the process of photosynthesis).
The biofertilizer from the Agrounik assortment contains appropriate symbiotic nitrogen fixers for a specific culture, such as alfalfa (alfalfa rhizome), and by applying these bacteria to its seeds, the formation of nodules in the root is accelerated.
Symbiotic nitrogen-fixing bacteria that contain Rizol reach the inside of the root (parenchyma) through the root hairs, where they begin to divide rapidly, as a result of which a nodule is formed in which these bacteria fix nitrogen.
In addition to symbiotic nitrogen fixers, Rizol for alfalfa also contains associative nitrogen fixers and phospho-mineralizers that inhabit the root surface after the application of biofertilizers.