
Notes on Calcium Deficiency in Plants
Calcium is a macronutient.
- Symptoms:
 - Hook Shapes on new leaves, or distorted leaves/fruits. Growing tip may die, especially on cabbage. Blossom end rot in tomatoes. shriveled fruit.
 - Sources:
 - Calcium Nitrate 19% calcium, 15% nitrate from greenhouse supplier
 - Notes:
 - Can inhibit other nutrients. Generally not toxic to fish.