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2. Reuse of human excreta - Wikipedia

   en.wikipedia.org/wiki/Reuse_of_human_excreta

   Only a fraction of the nitrogen-based fertilizers is converted to produce plant matter. The remainder accumulates in the soil or is lost as run-off. [46] This also applies to excreta-based fertilizer since it also contains nitrogen. Excessive nitrogen which is not taken up by plants is transformed into nitrate which is easily leached. [47]

3. Biofertilizer - Wikipedia

   en.wikipedia.org/wiki/Biofertilizer

   Biofertilizers offers an alternative solution for such agrochemicals, and show yield increase of up to about 10–40% by increasing protein contents, essential amino acids, and vitamins, and by nitrogen fixation. [20] Since a bio-fertilizer is technically living, it can symbiotically associate with plant roots. Involved microorganisms could ...

4. Fertilizer - Wikipedia

   en.wikipedia.org/wiki/Fertilizer

   Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...

5. These Fertilizer Spreaders Make Short Work of Nourishing Your ...

   www.aol.com/fertilizer-spreaders-short...

   After you apply the fertilizer, wait 24 hours to allow it to settle into the lawn, then give it a thorough watering. The water will activate the fertilizer and allow it to better absorb into the soil.

6. Nitrogen, phosphorus and potassium are the key garden ... - AOL

   www.aol.com/news/nitrogen-phosphorus-potassium...

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7. Soil conditioner - Wikipedia

   en.wikipedia.org/wiki/Soil_conditioner

   For example, salts, nitrogen, metals and other nutrients that are present in many soil amendments are not productive when added in excess, and can actually be detrimental to plant health. (See fertilizer burn.) Runoff of excess nutrients into waterways also occurs, which is harmful to the water quality and, through it, the environment. [22]