fertiliser
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Eggshells
Abstract: Eggshells which are very easily discarded as waste are very rich source of calcium. This calcium if utilized properly can turn out to be a boon rather than a waste material. The first step is collection of egg shells of different birds in ample quantity. These shells are then pretreated and then subjected to pulverization to obtain a fine egg powder. From this egg powder calcium extraction is carried out …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 9, Issue 2-3, 2020 · pp. 1–5 Read article