Cork place and bitter pits are problems impacting apples, and equally could be brought on by calcium deficiencies. Cork place generally starts to exhibit on apples in June and worsens because the summer goes on. The issue seems as discolored depressions to the fruit, and they could variety in dimensions. https://lorenzolewmf.snack-blog.com/29548837/what-does-calcium-nitrate-price-per-ton-mean