Plants that are useful to make green fertilizer

Crotalaria juncea, is a cover crop that grows in the tropics including legume plant members or called leguminosae.
This plant can also be used as a green manure.
This plant is symbiotic with bacterial root nodules and is able to bind free nitrogen in the air and release back to the soil in nutrient form, capable of restoring and improving soil fertility

To use this plant to be fertilizer, this tree
laid on the ground, and immersed in the paddy field and then milled on a tractor.

If the manual way, farmers usually do by placing this plant on the grooves that have been prepared, then dumped with soil.

The function of this plant, because it can support the life of microorganisms in the soil, and improve the physical, chemical, and biological properties of paddy soil, and also improve the nutrient cycle, soil conservation.

That is all and thank you.
Hopefully this can be useful.