Make your own plant nutrient solution from leftover fruit peels, no yellow leaves and no root rot

You can use leftover fruit, fruit peels, eggshells, and animal bones, add water, and boil them in a pot for forty minutes to replace nutrient solution. The pot does not need to be a good one, and it is best to make a larger batch at one time. You can also use soybeans, put them in a bottle, add water, and expose them to the sun. After twenty days, it can replace nutrient solution. However, it needs to be diluted before use.
1. Fruit, fruit peels, eggshells, etc.
(1) Materials: There are many usable materials. For example, leftover fruit and fruit peels, oranges, bananas, and apples are all fine. You can also use eggshells, bones of various animals, leftover milk, and rice. Rotten vegetable roots and vegetable leaves are also all fine.
(2) Method: Put all the collected materials into a pot and boil for about forty minutes. Then take the clear liquid on top, and it can be used to replace nutrient solution.
(3) Precautions: These materials all have a strange odor, which is not easy to remove after boiling, so it is best not to use too good a pot. In addition, it is best to make a larger amount at one time; if you cannot use it all, you can save it, so you do not need to make it often.
2. Soybeans with water exposed to the sun
(1) Steps: Take an appropriate amount of soybeans, then put them into a glass cup. Add water, in an appropriate amount, not too slowly, and leave some space. Then, place the cup under the sun for exposure. After two to three days, we can observe many gases coming out of the soybeans. After about twenty days, the water will become very cloudy. At this point it is about ready. This water can be used to replace nutrient solution; the effect is very good, and it is natural and pollution-free.
(2) Precautions: This water cannot be poured directly onto the plants, as it may burn the plants. It needs to be diluted, and only after adding a large amount of water can it be used.