Before international fair "What you sow... 2019" | BIO energy

Before international fair "What you sow... 2019"


Less than a month before the exhibition “Ką pasėsi ….2019”, we talk about the state of plants and their maintenance technologies with farmers.

In practice, on every farm we find soil research plans for plant fertilization. Determine soil calorificity, phosphorus, pH, humus, nitrogen, and where is the biological activity of the soil? Without this indicator, it is difficult to believe that mineral fertilizers are effective. It should be remembered that the soil is a living organism - bacteria, fungi, nematodes, earthworms, insects, root remains, etc. There are examples where P and K seem to be enough, and plants show P deficiency and only after studying biological activity do they understand that soil is "dead" and plants cannot absorb nutrients. The simplest example is the perennial grasses, the highest biological activity of the soil, because the plants are linked to microorganisms by strong mycorrhizal connections. As a result, many plants grow well after perennial grasses.

Soon fertilizers will leave the winter fields. What do you need to remember? We will sprinkle or water the nitrogen fertilizer. It is known that nitrogen fertilizer is an essential factor in stabilizing and destabilizing the phytosanitary state of agro-ecosystems. Working intensive with chemicals in agroculture, as a result this theory has been confirmed. The nitrogen content of the soil affects the viability of phytopathogens on plant residues. Ophiobolus graminis and Fusarium roseum contain more residues in plants where higher nitrogen fertilizer rates were used. By promoting the mineralization of plant residues with biological preparations, phytopathogens are displaced, the population of some rot-causing pathogens decreasing up to 12 times. It is known that phytopathogens also use nitrate form. In natural agro-ecosystems there are mostly organic nitrogen form and pathogens use it only when microorganisms break down organic residues, but there are many antagonist-inhibiting phytopathogens in the destruction of microorganisms. Stephen Chuberk, Habilitated Doctor of Science, 2005 Together with the co-authors, found that the N210P116K300 Fusarium pathogens are more than doubled when compared to control or wheat fertilized with manure. By reducing the N rate and combining the fertilizer with the manure, the pathogens decreased. We repeated the test not with manure but with biological preparations. In combination with N fertilizers, the population of Bactoforce and Fosfix, Fusarium has significantly reduced the population. The best results are achieved through consistent deployment of bio-technologies.

Observation: Combining nitrogen fertilizers with biological preparations increases plant resistance to pathogens - vigorously growing plants have greater compensatory resistance to pathogens and are easier to recover from disease and pest damage.

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