Cork place is a typical apple tree ailment connected to an absence of calcium. Cork spot looks like discolored dimples on apples. This fruit disorder affects the appearance of apples. Your plants could be exhibiting convey to-tale indications of needing far more calcium. Here are a few issues to search https://waylonungxq.blog-a-story.com/9766907/calcium-nitrate-vietnam-pricing-things-to-know-before-you-buy