How can I effectively use Epsom salt to promote healthy growth in my cucumber plants?

To effectively use Epsom salt for healthy growth in cucumber plants, dissolve 1 tablespoon of Epsom salt in 1 gallon of water and apply it to the plants once a month. This will provide magnesium, which is essential for plant growth and can help prevent deficiencies. Be careful not to overuse Epsom salt, as it can harm the plants.