Controlling calcium is a complicated business

Calcium behaves like cement in the cell walls
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Controlling calcium is a complicated business

Calcium is a delicate mineral in the plant. A deficiency can cause problems such as blossom end rot in sweet peppers and tomato, burnt edges in leafy crops and ‘tip burn’ in some ornamental crops. The other way round, excess leads to gold spot on tomatoes and stip (colour spotting) in peppers. Just paying attention to the nutrition is not enough. The distribution in the plant is crucial. This can be regulated but it requires a lot of diligence.

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