BSc Đo Cong Hoang

Microbial organic fertilizers in general, in addition to helping to stimulate the microorganisms in the soil, also provide an additional amount of beneficial microorganisms for the soil. The more beneficial microorganisms are, the more they repel harmful microorganisms to the soil and plants, helping to limit diseases caused by harmful microorganisms and fungi that damage the roots. This is a very "beneficial" effect of microbial organic fertilizers that farmers should take advantage of.

Understanding the great benefits of microbial organic fertilizer for agricultural land today, in order to apply it in the general condition that the income and investment power of Vietnamese farmers are still low compared to the world, It is more feasible to recommend widespread use of microbial organic fertilizers in the field when a fertilizer is available at a low price enough for farmers to accept. Saigon Plant Protection Joint Stock Company (SPC) boldly introduced and received distribution of a microorganic fertilizer with the trade name VIETSTAR HCVS 1, which is a product of Vietstar JSC 100% foreign capital. , produced by technology of Lemna-USA Corporation in Cu Chi district, meeting the criteria of both reasonable price and good quality when used for plants.

Some characteristics of VIETSTAR HCVS 1 microbial organic fertilizer :

VIETSTAR HCVS 1 is an organic fertilizer supplemented with beneficial microorganisms, produced from different organic raw materials, in order to provide nutrients for plants, improve soil, and contain live microbial strains are selected with a density that meets the prescribed standards, contributing to improving the productivity and quality of agricultural products. Microbial organic fertilizers do not adversely affect humans, animals, the ecological environment and the quality of agricultural products. Besides improving crop yield as well as agricultural product quality, the effectiveness of VIETSTAR HCVS 1 microbial organic fertilizer is also demonstrated by improving soil properties including physical, chemical and biological properties of the soil. .

Organic matter is also a source of food for organisms living in the soil. Most of the microorganisms in the soil belong to the saprophytic group. The main food sources of this group are plant residues and wastes.. Providing organic matter helps maintain food sources, facilitates the growth of biomass and diversity of beneficial microorganisms, helps to restrain the proliferation of harmful microorganisms.

- Maintaining the balance of microorganisms in the soil is mainly to protect and balance beneficial microorganisms, as well as beneficial natural enemies in the field. Therefore, regularly add organic matter to the soil as well as beneficial microorganisms to create favorable conditions for the growth of plant roots and limit fungal diseases. The application of organic fertilizers with the addition of soil microorganisms such as Trichoderma fungus -present in VIETSTAR HCVS 1 will reduce root rot pathogens, supplement nitrogen-fixing and phosphorus-soluble microorganisms (Bacillus and Azotobacter). – present in VIETSTAR HCVS 1), increasing the source of fixed nitrogen fertilizers and poorly soluble phosphorus compounds in the soil to become useful and easily digestible forms for plants.

Specifically, the role of organic matter and humus in VIETSTAR HCVS 1:

For the formation process and soil properties:

+ With soil physics: Organic matter and humus have the effect of improving the state of soil structure, the colloidal humus binds the soil particles together to form good, stable aggregates, thereby affecting the entire soil physical properties such as water regime (better permeability and water retention), gas regime (more aerated, more porous soil heat regime (better heat absorption and heat retention), common physical properties of soil, easier tillage

+ With soil chemistry: Organic matter promotes chemical reactions, improves oxidation conditions, is associated with the mobility and precipitation of inorganic elements in the soil. Thanks to the functional group of humus compounds in particular, organic matter in general increases the adsorption capacity of the soil, retains nutrients, and increases the buffering capacity of the soil.

- Organic matter and humus are food stores for plants and microorganisms:

+ Organic matter (including humus and non-humus substances) contains a fairly large amount of nutritional elements: N, P, K, S, Ca, Mg and trace elements, especially N. These elements are kept for a long time in organic compounds, so the organic matter in the soil provides both permanent food ,It is both a long-term store of nutrients for plants and soil microorganisms.

+ Organic matter is a great source of CO2 for plant photosynthesis.

+ Soil organic matter also contains a number of biologically active substances (natural growth substances, yeast, vitamins ...) that stimulate the proliferation and development of roots, improve the permeability of cell membranes, help mobilize nutrients in the soil…

+Soil organic matter has the effect of maintaining soil protection:

+Organic matter contains antibiotic compounds that help plants resist the development of pests and diseases and is a very good medium to increase the activity of most soil microorganisms.

+ Enhance the decomposition of microorganisms or catalyze the decomposition of pesticides in the soil.

+ Immobilize contaminants in the soil, reducing the level of digestibility of plant toxins

In short, a good soil if there are no active microorganisms in it, it will certainly be destroyed in the long run. Therefore, we encourage farmers to use microbial organic fertilizers to help improve the soil. Soil improves chemically, biologically and physically. This is a basic foundation for plants to grow sustainably.

In the current situation, Saigon Plant Protection Joint Stock Company relies on an available system of over 1,000 pesticide agents stretching from the North to the South to introduce and distribute VIETSTAR HCVS 1 microbial organic fertilizer, with the same Some other organic products such as: BIMA probiotics containing the Trichoderma antagonistic fungus, traditional organic fertilizers derived from chicken manure imported from Japan, mineral organic fertilizers for root and foliar fertilization, etc. farmers, farms, gardeners and agricultural production farm companies. Wishing to contribute a small part to the process of making Vietnam is agriculture cleaner, reducing environmental pollution, and improving the health and life of farmers and consumers to become better and better