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Salts are compounds formed when positively charged cations such as sodium (Na⁺), calcium (Ca²⁺), magnesium (Mg²⁺) and potassium (K⁺) combine with negatively ...

Most gardeners know that success depends on many factors: You can’t grow a sun-loving plant in a shady area, for example. And a shrub that loves wet places won’t do well in dry soil. But the most ...