There are many types of fertilizers that can be used for plants, each containing different ratios of essential nutrients needed for plant growth. Here are some common types of fertilizers:

• All-Purpose Fertilizers: These fertilizers contain a balanced ratio of essential nutrients, typically nitrogen, phosphorus, and potassium (N-P-K). They are suitable for a wide variety of plants and are often used as a general purpose fertilizer.
• Nitrogen Fertilizers: These fertilizers contain a high concentration of nitrogen, which is essential for plant growth and development. They are often used to promote foliage growth, but should be used sparingly to avoid over-fertilization.
• Phosphorus Fertilizers: These fertilizers contain a high concentration of phosphorus, which is essential for root growth and flowering. They are often used for flowering plants, fruit trees, and vegetables.
• Potassium Fertilizers: These fertilizers contain a high concentration of potassium, which is essential for plant growth and stress resistance. They are often used to improve overall plant health and to promote fruit and vegetable production.
• Organic Fertilizers: These fertilizers are made from natural sources, such as compost, manure, or bone meal. They are often used to improve soil quality and provide a slow-release source of nutrients for plants.
• When choosing a fertilizer for your plants, it's important to consider the specific needs of the plant species, the soil quality, and the growing conditions. It's also important to follow the manufacturer's instructions for application rates and timing to avoid over-fertilization, which can damage plants.