Product Details

PK – Phosphorus-Potassium Fertilizer

A PK fertilizer is a plant nutrient product rich primarily in phosphorus (P) and potassium (K) — two major nutrients essential for healthy plant growth. Phosphorus supports root development, strengthens plant metabolism and reproductive systems, and helps in fruit or flower formation. Potassium aids in processes like photosynthesis and nutrient transport; it improves fruit/flower quality, enhances stress and disease resistance, and supports overall plant vigor. When used (via soil-application, fertigation or foliar spray) especially during flowering, fruit-set or reproductive stages, a PK fertilizer helps boost root growth, enhance bloom/fruit quality, increase yield, and improve shelf-life and resistance to environmental stress.

Description

PK Fertilizers are specialized fertilizers that contain Phosphorus (P) and Potassium (K) as the primary nutrients. These are crucial elements for plant growth, playing vital roles in energy transfer, root development, flowering, and overall plant health. PK fertilizers are commonly used during certain stages of plant growth when the plants require more of these nutrients, such as during flowering or fruiting.

  • Phosphorus (P) is important for the development of roots, stems, flowers, and fruits. It also helps in energy transfer and improves plant strength.

  • Potassium (K) enhances drought resistance, disease resistance, and the overall strength of plants. It also helps with the synthesis of proteins and starches.

PK fertilizers typically come in various formulations, such as 0-50-30, 20-20-20, etc., where the numbers refer to the percentage of nitrogen, phosphorus, and potassium in the mixture.

Common Applications:

  • Flowering and Fruiting Crops: Plants such as tomatoes, peppers, and fruits benefit from an increased phosphorus and potassium supply.

  • Root Development: Early stages of crops like corn, wheat, and soybeans may benefit from added phosphorus.

  • Soil Enhancement: PK fertilizers help balance soil nutrient levels for better overall plant performance.

Benefits of PK Fertilizers:

  • Enhanced Root Growth: Phosphorus encourages the development of strong, deep root systems.

  • Improved Flowering and Fruit Yield: Potassium aids in the proper development of flowers and fruit.

  • Better Stress Resistance: Potassium increases a plant’s ability to withstand environmental stress such as drought, disease, or extreme temperatures.

  • Increased Crop Quality: Potassium enhances the overall quality of crops, improving taste, size, and appearance.

Types of PK Fertilizers:

  1. Liquid PK Fertilizers: Easier to apply, often used in fertigation or hydroponic systems.

  2. Granular PK Fertilizers: More common for field application, long-lasting and slowly absorbed by plants.

  3. Water-soluble PK Fertilizers: Used for quick-release and immediate impact on plants.

Recommended Usage:

  • Soil Application: Mix into the soil before planting or during active growth stages.

  • Foliar Spray: Can be applied directly to leaves for rapid nutrient absorption.

  • Fertigation: In hydroponic systems or through irrigation lines.