Today I will start describing the vermicompost, this is the liquid resulting from the breeding of worms called "leachate", which is collected, and applied diluted as a foliar fertilizer or directly to the soil. This product when the beds are starting because it comes from a non-thermal process.
▶ The worm compost tea is not rich in microorganisms and could be contaminated with phytopathogens and human pathogens, depending on the raw material used in the process, so it is recycled by moistening the beds with it.
▶ Credits: ccafs – [Image of Public Domain]
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Its use is recommended when the bed already shows finished humus, the other option is to elaborate the worm compost tea, for which a plastic bag is taken in which 20 liters of worm compost are placed, then it is introduced in a 200 liter tin and mixed with two gallons of molasses, shaking it strongly and taking it up to 185 liters.
Later it is left fermenting and reproducing the microorganisms and it is used after 8 days. The doses to the soil can be up to 25% in case of the foliage, this should be between 10% and 15%.
Urea is a solid fertilizer with a higher concentration of total nitrogen reaching 46% of the fertilizer weight. It is a very hygroscopic solid and soluble in water. Once incorporated into the soil, it is transformed into ammonium carbonate, inducing a certain alkalinity; then the bacteria nitrify it, turning it into nitrates and producing an acid reaction.
NOTE: Reference material.