Which type of fertilizer is characterized by slow release and low water solubility?

The correct answer, which identifies synthetic organic fertilizers as characterized by slow release and low water solubility, highlights the unique properties of this type of fertilizer. Synthetic organic fertilizers are designed to provide nutrients gradually over an extended period, which significantly benefits plant growth and minimizes nutrient leaching into the environment. This slow-release mechanism allows for a consistent supply of nutrients to plants as they need them, reducing the risk of over-fertilization and promoting healthy plant development.

In contrast, other types of fertilizers may not possess the same attributes. For example, organic fertilizers typically release nutrients more quickly than synthetic organic options and may have variable solubility based on their composition. Inorganic fertilizers, while often high in nutrient concentration, can dissolve quickly in water, leading to rapid nutrient availability which doesn’t align with slow-release characteristics. Liquid fertilizers generally provide immediate nutrient availability due to their high solubility, which contrasts with the slow-releasing nature of synthetic organic fertilizers. Thus, synthetic organic fertilizers stand out for their unique formulation and nutrient delivery approach.