Among the main sources of organic fertilization we have; manure, worm humus, crop residues, compost, manure tea and Biol, peat, and guano, this order is due to the use given to each of them in the different agricultural ecosystems.
▶ While the methods of fertilizer application we can find, surface, foliar, injection, sprinkling, spraying, spraying and drip, in the following, I will describe some commercial organic products of greater demand in the world, among these;

▶ Credits: columbian – [Image of Public Domain]
Eenrai-Biol, which is nothing more than a biological organic fertilizer with a high concentration of beneficial microorganisms for the soil, giving back life and the necessary energy to promote a violent germination and a powerful rooting, achieving root growth up to twice as fast in normal conditions, causing a more vigorous development in the plant and in the soil the decomposition of the parent rock, releasing all the native nutrients, making it available to the root.
SoilAgro is an organic, biodegradable, non-toxic and non-polluting product; it is a broad spectrum fungicide, controls some aerial pests, phytoparasites and nematodes, serves as a biostimulant in crop yield in length, color, weight, resistance and quality. It works with any type of crop, provides large amounts of nitrogen in the vegetative growth stage.
Worm humus, worm humus is a natural fertilizer, resulting from the digestive transformation of red Californian earthworm (Eisenia foetida) in the form of excreta on the organic matter it consumes, it has an excellent macro and micronutrients value, bacteria, beneficial fungi, organic compounds and essential amino acids for crops. It has no bad odor, neutral pH, dark color, is non-toxic and can be combined with any other low-spectrum agrochemical.
NOTE: Reference material.