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2. 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 ...

3. Guano - Wikipedia

   en.wikipedia.org/wiki/Guano

   Bat guano is partially decomposed bat excrement and has an organic matter content greater than 40%; it is a source of nitrogen, and may contain up to 6% available phosphate (P 2 O 5). [2] [3] Raw insectivorous bat guano. The feces of insectivorous bats consists of fine particles of insect exoskeleton, which are largely composed of chitin.

4. Ammonium nitrate - Wikipedia

   en.wikipedia.org/wiki/Ammonium_nitrate

   Ammonium nitrate is an important fertilizer with NPK rating 34-0-0 (34% nitrogen). [17] It is less concentrated than urea (46-0-0), giving ammonium nitrate a slight transportation disadvantage. Ammonium nitrate's advantage over urea is that it is more stable and does not rapidly lose nitrogen to the atmosphere.

5. Organic fertilizer - Wikipedia

   en.wikipedia.org/wiki/Organic_fertilizer

   Organic fertilizers are fertilizers that are naturally produced. [1] ... Bat guano is high in elements such as carbon, nitrogen, sulfur, and phosphorus. Guano ...

6. Nitrogen and Non-Protein Nitrogen's effects on Agriculture

   en.wikipedia.org/wiki/Nitrogen_and_Non-Protein...

   When discussing the application of nitrogen in agriculture, it is essential to consider the sources of nitrogen used. Synthetic nitrogen fertilizers, such as ammonium nitrate and urea, are commonly applied to crops to replenish soil nitrogen levels and enhance crop productivity [3] These fertilizers provide readily available nitrogen for plant ...

7. Compost - Wikipedia

   en.wikipedia.org/wiki/Compost

   Composting is an aerobic method of decomposing organic solid wastes, [8] so it can be used to recycle organic material. The process involves decomposing organic material into a humus-like material, known as compost, which is a good fertilizer for plants. Composting organisms require four equally important ingredients to work effectively: [3]