Potassium is an essential nutrient for a plant's flower and fruit formation and to increase the general hardiness of the plant.

Symptoms of deficiencyEdit

Main article: Potassium deficiency

Poor quality fruits and seeds Leaf scorch on older leaves Leaves bronzed and rolled inwards and downwards[1]


v  d  e
Mineral nutrients
Primary macronutrients Nitrogen · Phosphorus · Potassium
Secondary macronutrients Calcium · Magnesium · Sulphur
Micronutrients Boron · Chloride · Copper · Iron · Manganese · Molybdenum · Zinc