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Sources of NPK from Kitchen waste for plants

Sources of NPK from Kitchen waste for plants

Sources of NPK from Kitchen waste

Macronutrients and Micronutrients play a very important role for every plant growth in its life cycle from seed to harvest.

Three macronutrients Nitrogen (N), Phosphorus (P), and Potassium (K) are most important for the

3 stages of plant growth

Nitrogen (N): Nitrogen is responsible for the leaf and stem growth of a plant.

Phosphorus (P): Phosphorus helps in root growth and flower production

Potassium (K): Potassium helps in fruit production


We can get all the required plant nutrients from our kitchen waste. Below are the sources of NPK which we can source from bits of food that are left over from cooking


Sources of Nitrogen (N):  

  • Used tea leaves or tea bags and coffee grounds.
  • Diluted liquid Fish Emulsion.
  • Manure from rabbits, cows, goats, sheep, and chickens can be used as a source of Nitrogen.

Sources of Phosphorus (P):

  • Egg Shells contain phosphorus and magnesium and calcium which is an ideal supplement and feed for outdoor flowers, vegetables, and fruit trees in your garden.
  • Other sources of Phosphorus are wood ash, banana Peel, apple peels  

Sources of Potassium (K): 

  • Banana Peels, Orange peels, Pomegranate Peels, Apple peels contain high in potassium which helps fruits, and flower production in plants


Some other useful tips:


  • Scrap from your Fruits and Vegetables are the mixture of all the nutrients and plants love those nutrients to grow faster.
  • Add potassium when your crop starts to flower and fruit
  • According to research, rice water is better than tap water and helps plants to grow
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