Fig. 2
From: Smart foliar fertilizer based on Zn-Alg-CaCO₃ microparticles improves Aquaponic tomato cultivation

FTIR spectrum of Zn-Alg-CaCO3. The double peak at about 2380 cm−1 arises from the CO2 atmosphere.
From: Smart foliar fertilizer based on Zn-Alg-CaCO₃ microparticles improves Aquaponic tomato cultivation
FTIR spectrum of Zn-Alg-CaCO3. The double peak at about 2380 cm−1 arises from the CO2 atmosphere.