The quantity of fertilizer required by vegetation decreases as the organic issue articles of the soil will increase A farmer spreading manure to enhance soil fertility A fertilizer or fertiliser is any product of natural or artificial origin which is placed on soil or to plant tissues to supply plant https://travisxqhxp.fitnell.com/78774970/helping-the-others-realize-the-advantages-of-npk-12-12-17-fertilizer-afghanistan