Calcium is utilized by plants in mobile membranes, at their growing points and also to neutralize harmful materials. Also, calcium increases soil structure and aids bind natural and inorganic particles together. Hi there Mariah. Of course, pineapple peels can indeed be used as fertilizer for other plants at your house. https://npk6-6-624568.tkzblog.com/28118041/5-easy-facts-about-18-described