If you love growing plants in your garden, then to care for them and fertilize them to provide sufficient nutrition, you can use these kitchen waste, instead of throwing them away. It will also help to reduce and reuse kitchen waste in the environment. Moreover, the feeling of growing plants by reusing waste can’t be compared with anything.
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Onion Peels
Onions are used every day in our kitchen and we use to throw leftovers, but for your information, onion peels are a good source of potassium for plants. You can take about a handful of onion peels in a liter of water and leave it in a dark place for 24 to 48 hours. Strain away the leaves and mix onion peel water with normal water in a 1:9 ratio and use it to fertilize your plants.
It will help to promote flowering in your plants, hence use it during the flowering phase of your plants.
Banana Peels
Banana peels are also a good source of potassium for plants, so instead of throwing them away, cut banana peels into small pieces and sun dry them for 3 to 4 days until they become black and crisp in appearance. Grind them into powder form using a mixer and then you can apply a tablespoon of banana peel powder per plant once a month to promote flowering in your plants.
Tea Leaves
Used tea leaves are a good source of nitrogen, phosphorus and potassium for plants. But, avoid using milk tea leftovers as they can give rise to fungus growth around plants. Instead, use green tea or black tea leftovers to fertilize your plants. You can either decompose tea leaves or use the leftover tea leaves water with normal water in 1:9 to fertilize your plants.
Coffee Grounds
However, adding too much coffee grounds for a longer time can alter the pH of the soil making it acidic, but it helps provide nitrogen, calcium, potassium, iron, phosphorus, magnesium and chromium to the plants. You can add used coffee grounds to your compost bin or sprinkle them on top of soil sparingly. Do not apply too much-used coffee grounds at a place.
Egg Shells
Egg shells are a good source of calcium for plants. It is an essential secondary nutrients for plants that help to promote fruiting, improves plant vigour and prevent blossom end rot in tomatoes. First clean your eggshellls with warm water, let them dry and grind them to powdery form. Before flowering phase you can start adding 1 to 2 tablespoon powdered eggshells per plant.
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