In this study, a coffee shell improvements have been made with a coffee shell in vain to insert a coffee shell in soil and is updated by adding 15% calcium hydroxide (Ca (OH) 2 15%) and 15% Sodium Metabisulphite (15% Na2S2O5) into a coffee shell.
In this study, has improved shell coffee with a shell empty coffee to put in soil and bark, coffee has improved by adding 15% calcium hydroxide (15% Ca (OH) 2), and 15%. sodium meta bi sulfite (15% Na2S2O5) to a shell coffee.
In this study, the shell of the shell coffee coffee waste on Soil and shell coffee with improvement by adding 15% calcium hydroxide (15% Ca (OH) 2) and 15% sodium meta bisulfite (15% Na2S2O5) into the shell coffee