From Chemical Fertilizers to Biotechnological Hope: A New Transformation Begins in Agriculture

Since the beginning of the century, humanity has introduced chemical fertilizers into its life to meet the nutritional needs of the growing population. Initially, this was a revolution; productivity increased, hunger decreased, and agricultural production grew. However, it was soon realized that these chemical solutions created a boomerang effect that tampered with the balance of nature.
Today, in agriculture books, it is possible to find mathematical prescriptions for every plant: standards like "cucumber requires 12 kg of nitrogen per acre" or "tomato should be given 200 kg of NPK throughout the season" have come to reflect the formulas imposed by the chemical fertilizer industry, rather than the plant's physiology.
But have we ever thought about how much energy is consumed to produce these fertilizers? Producing just 1 kilogram of nitrogen fertilizer requires approximately 20,000 kilocalories of energy. On a large scale, this means fossil fuel consumption, CO₂ emissions, and global warming. Yet, for years, this cost was ignored.
Today, scientists clearly state that if the increase in greenhouse gases in the atmosphere raises the average temperature by another 2°C, many regions will become uninhabitable for humans and other living things. This means not only climate change, but also a crisis of food security and the right to life.
This is exactly where biotechnological fertilization becomes a ray of hope. Beneficial microorganisms like Azotobacter, which are naturally present in the soil or produced through biotechnological methods, can feed the plant by fixing nitrogen without using chemical fertilizers. These bacteria take nitrogen from the air and bring it to the root zone of the plant; and they do this without consuming energy, without emitting carbon, and without polluting nature.
Furthermore, these microorganisms are not limited to nitrogen; they also support plant growth in multiple ways by producing hormones that support root development (IAA, gibberellin, cytokinin), protective enzymes against stress (ACC deaminase), siderophores that provide iron, and phosphate-solubilizing substances.
Today, biotechnology-based fertilizers are not just an eco-friendly choice, but the first step of an obligatory transformation. Science now must progress not by imitating nature, but by cooperating with nature. Working with microorganisms that repair the soil, sequester carbon, and strengthen the plant makes a future possible where both the farmer and the world win.
Iraz Aktay