Answer:

Nitrogen Cycle

Explanation:

There are nitrogen fixing microbes in some leguminous plants. Fixes nitrogen to ammonium to nitrates. Leguminous plants, fixed nitrogen stay in root nodules. Leguminous plants are used Green manuring. Crop(leguminous plants) to be incorporated while they are still green. Magkakaroon yung lupa ng maraming stocks of Nitrogen. These nitrogen fertilizer make it available for plant for plant development. Macronutrients needed in many amounts by plants