What is "fertilizer burn," and how can it be avoided?

Fertilizer burn is a condition that occurs when plants are damaged due to the excessive application of fertilizers, leading to salt build-up in the soil or on the plant leaves. This over-fertilization increases the concentration of nutrients and salts in the root zone, which can draw moisture away from the plant roots, leading to dehydration and visible symptoms such as leaf burn or browning of tips.

To prevent fertilizer burn, it is essential to adhere to the recommended application rates specified for different types of plants and soil conditions. Proper timing of fertilizer application, using slow-release formulations, and ensuring adequate water supply after fertilization can further mitigate the risk of fertilizer burn, promoting healthy plant growth without causing harm. Understanding and following these guidelines helps maintain a balanced nutrient regime while safeguarding plants from potential damage.