Zinc Oxide for Agriculture

Zinc oxide for agriculture is a white powder, odorless, tasteless , gritless , dry powder known as zinc white or as the mineral zincite with chemical formula ZnO. Zinc oxide is recognized as an essential micronutritient to plants and grains. Zinc oxide can substitute Zinc Sulphate in most of fertilizer’s formula as a source for the essential element Zinc.

Description Proporties
Insolubility in dilute HCL 0.04 % (max.)
Solubility in water 0.05 % (max.)
Residue on 240 mesh sieve Appx. Nil
Oil Absorption 14 – 16 %
Specific Gravity 5.6 +/- 0.2
Lead 0.01% (max.)
Iron 0.005 % (max.)
Copper 0.0006% (max.)
Manganese Nil. (Appx.)

Crop Farming – especially for corn, zinc oxide is added to fertilizers to compensate for deficiency in zinc or for poor bio-availability resulting from the composition of the soil.

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