Exploring new nitrogen fertilizer options for modern greenhouses

For nitrogen to be used efficiently and safely, the nutrient must be both pure and highly soluble. Alexander van Tuyll from Wageningen University & Research highlights the possibilities for using circular nitrogen from residual streams and green alternatives to conventional chemical processes.

Plants require nitrogen to grow. Although the air consists of 78% nitrogen, its natural form — N₂ — is not directly available to plants, Alexander van Tuyll explains.

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