hands tending to tomato plant with tomatoes growing - Kateryna Dziavoruk/Getty Images Tomato plants can be a little dramatic, and they are strict about their requirements: water, sun, and calcium. If ...
Gardener with basket of egg shells spreading crushed shells around tomato plant - VH-studio/Shutterstock A quality eggshell contains about 2.2 grams of calcium carbonate, the compound that gives them ...
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