Plants need 3 basic nutrients to grow: nitrogen, potassium and phosphorus. They can be easily found in food in our daily lives, so we can use leftovers with homemade fertilizer for the little plants. If you want to know how to make fertilizer with leftover food, then keep reading!
Making your own compost is doubly beneficial, as it helps to give a good destination to your food residues, which would end up in any landfill without any care or correct separation, and saves you money that would be spent buying fertilizers in stores.
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Having said that, get to know some foods and how you can use them as a homemade fertilizer:
- Coffee grounds
First up is this great, affordable option. This residue is rich in nitrogen and has a repellent effect against aphids and other pests, such as ants and snails.
To use it, just wait for the grounds to dry, after straining your coffee, and spread it over the ground. It is worth mentioning that you should not create a thick layer of sludge, just spread a small amount. However, you can also poke holes in the soil to add the grounds.
- cooking water
You can use vegetable broth to water your plants and nourish them with a source of mineral salts.
For this, it is necessary to wait for the cooking water to cool down and it is possible to water it twice a week. So, you can reserve this broth in the fridge – in a bowl – for a maximum of one week, after which time it will start to lose its nutrients.
- Eggshell
This ingredient is rich in calcium and helps maintain the correct soil pH, an essential item for the good development of the plant.
To use it as fertilizer, it is necessary to grind it well, leaving it as fine as sand, and spread it over the soil. Remember to water whenever you do this.
- Teas
Finally, we have tea. If you usually drink this drink, know that it is possible to enjoy the herbs after infusion. Calendula, chamomile and dandelion are great for the soil as they replenish many nutrients.
To do this, just spread the herbs on the ground as well as the coffee grounds. Also, because it is well fragrant, the herb helps to ward off some pests.
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