Cork place is a common apple tree disorder relevant to a lack of calcium. Cork place seems like discolored dimples on apples. This fruit condition influences the appearance of apples. Calcium nitrate is a combination of calcium and ammonium nitrate—a source of nitrogen. Also referred to as Calcium Ammonium Nitrate https://calciumnitrateincantho57891.blog-kids.com/30045302/the-ultimate-guide-to-calcium-nitrate-vietnam-supplier-contacts