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Microorganisms to improve crop yields : increasing the bioavailability of nutrients in soil.


Bacillus amyloliquefaciens IT45
Bacillus amyloliquefaciens IT45 is the best phosphorus solubilizing bacteria.


Bacteria to release mineral elements


Some microorganisms are capable of making the phosphorus trapped in the soil soluble making it available for plants. These microorganisms can therefore be useful for vegetable crops, e.g.– lettuces, cauliflowers, artichokes – in soils with high pH levels, where the phosphorus tends to be calcium bound. These short cycle crops whose instantaneous needs in nutrients is significant can indeed immediately find the mineral elements they need and absorb the phosphorus more easily… With yields that cannot be ignored to the order of +20% of new shoots.

Bacillus spp Bacteria. IT45 was selected as being one of the best phosphorus solubilizing bacteria


Symbiosis with mycorrhizae was the cause of the appearance of initial plant life on the planet more than 400 million years ago. On desert continents, plants and fungi associated their specific characteristics: the first used solar energy to grow (algae) while the others absorbed nutrients in the soil. The mycorrhizae and their host plants became dependent on each other due to this mutual contribution.

Mycorrhizae (from MYCO = fungus + Greek rhiza = root) are fungi that live symbiotically with plants. They penetrate plants’ root systems and develop a network of mycelian filaments connected to the rootlets. The basic principle of the relationship is simple: the plant transfers sugars derived from photosynthesis to the fungus and the mycorrhiza conveys mineral elements and water drawn from the soil to it in return.

The mycorrhizae improve the spread of plant roots: using their own root network that supplements the plants’: they can enable the plant’s root system to be doubled in volume. Advantages for farmers: better essential elements nutrition – particularly water and mineral elements – and optimized growth of the plant.

It is currently accepted that endomycorrhizae develop symbiosis with more than 80% of plants. They are of significance to many economically important plants including most agricultural crop categories. The growing scarcity of endomycorrhizae and especially strains that are effective in agricultural soils often means inoculations are necessary.

Resorting to this measure can be appropriate for crops in soils that are difficult to be worked or with water deficits. Inoculation can also be useful for maize at the end of the cycle and in a context of water restriction to provide it better resistance to drought and to prevent a fall-off in yield.


Soil probotics – what is it?

The term probotics was first used in the sixties to describe the capacity of certain microorganisms to synthesize natural substances having a beneficial effect on the production of other molecules or other microorganisms. Currently, numerous scientific studies aim at characterizing these complex natural phenomena.

The Lallemand group is a world leader for the development and production of this type of probiotic microorganisms for human healthcare and animal nutrition (,

Probotics, the opposite of antibiotics (Greek anti: and bios: and bios “Life”) consists of favouring life by inoculating beneficial microorganism strains. The harmful or pathogenic microorganisms are then in a situation of competition (in respect of nutrients, space, antagonisms, etc) and their proliferation can thus be restricted.