NPK 13-00-45 is a type of fertilizer that contains three essential macronutrients for plant growth: nitrogen (N), phosphorus (P), and potassium (K). The numbers 13-00-45 represent the percentage by weight of each nutrient in the fertilizer. In this case, the fertilizer contains high levels of potassium (45%) and moderate levels of nitrogen (13%), but no phosphorus.
Potassium is an important macronutrient that is required by plants for many physiological processes, including photosynthesis, protein synthesis, and water regulation. It is also involved in stress tolerance and disease resistance.
Nitrogen is another essential macronutrient that is required by plants for growth and development, particularly for vegetative growth and foliage production.
NPK 13-00-45 is commonly used in crops that require high levels of potassium, such as fruits and vegetables. It is also used in hydroponic and soilless culture systems as a source of potassium and nitrogen for plants.
The benefits of using NPK 13-00-45 include improved plant growth, increased fruit and vegetable production, and better stress tolerance and disease resistance. However, it is important to use the fertilizer according to recommended rates and timings to avoid over-application and potential toxicity to plants.
It is worth noting that NPK 13-00-45 is a potassium and nitrogen fertilizer and does not contain phosphorus. Therefore, it is typically used in conjunction with other fertilizers that contain phosphorus to provide a complete nutrient package for plants.