In the case of Zn deficiency of paddy, how much zinc sulphate should be applied in one hectare of soil.

In the case of Zn deficiency of paddy, 25 kg zinc sulphate should be applied to one hectare of soil.
Zinc is one of the essential elements in paddy plants as it involves nitrogen assimilation and protein metabolism. And at the same time, the availability of zinc is lower in submerged fields like paddy plantations in comparison to normal upland fields. So, it is required to add zinc-rich fertilizers to the paddy fields approximately 25 kg per hectare.