“To make bread out of air”
<p>Do you have food in your refrigerator? And if not, could you go to the store to buy some? When was the last time you worried about running out of food? What about your family, friends, acquaintances? We have become so accustomed to the constant availability of food that we rarely consider its origins. Nor do we often ponder whether adverse weather conditions could destroy crops and lead to price spikes or even famine. Meanwhile, the population, both worldwide and in Europe, has significantly increased over the past few centuries.</p>
<p>Nitrogen is essential for crops, yet its levels in the soil decline due to intensive agricultural production. Historically, various substances served as fertilizers, including guano — the accumulated excrement of seabirds or bats. Guano was crucial in the 19th century and even led to the “Nitrate War”.</p>
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