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

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

    Organic sources can also be slow and unpredictable, so patience is critical.

  4. Controlled-release fertiliser - Wikipedia

    en.wikipedia.org/wiki/Controlled-release_fertiliser

    Controlled-release fertilizer is also known as controlled-availability fertilizer, delayed-release fertilizer, metered-release fertilizer, or slow-acting fertilizer. Usually CRF refers to nitrogen-based fertilizers. Slow- and controlled-release involve only 0.15% (562,000 tons) of the fertilizer market (1995).

  5. 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 ...

  6. Easily Grow Your Own Garlic With This Fall Planting Guide - AOL

    www.aol.com/easily-grow-own-garlic-fall...

    Fall is the time for planting garlic in the garden. The bulbs will be ready for harvest early the following summer. ... An alternate method is to make a single application of slow-release nitrogen ...

  7. Are Weeds Actually Bad For Your Lawn? - AOL

    www.aol.com/weeds-actually-bad-lawn-030000903.html

    Clover and other legumes (plants in the pea family) naturally fix atmospheric nitrogen, making it available to turfgrasses and replacing the need to apply fertilizers. In fact, the earliest lawn ...