Fruit coloration is a key indicator of maturity; the surface color and the uniformity of this color largely determine the fruit's final market value and the farmer's economic returns. Farmers are keenly interested in methods to achieve safe, rapid, and uniform coloration, as well as enhanced sweetness and quality, to facilitate early market entry.

A key principle for applying water-soluble fertilizers is "little and often." Since plant roots absorb nutrients continuously, applying large amounts at once should be avoided, as this can damage the plants and result in material waste.

When applying foliar fertilizers to crops and vegetables, some farmers like to mix several types together, believing that a wider variety yields better results. Many also assume that any fertilizer can be used as a foliar spray as long as it dissolves in water; however, this is not the case.

Gibberellin is a highly effective plant growth regulator that promotes the growth of various crops, making it very popular among farmers. Here is a detailed overview of how to use gibberellin on different crops: