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2. Organic lawn management - Wikipedia

   en.wikipedia.org/wiki/Organic_lawn_management

   A primary element of organic lawn management is the use of compost [2] and compost tea to reduce the need for fertilization and to encourage healthy soil that enables turf to resist pests. [3] A second element is mowing tall (3" – 4") to suppress weeds and encourage deep grass roots, [4] and leaving grass clippings and leaves on the lawn as ...

3. 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 ...

4. Use These Grass Fertilizers to Grow a Healthy and Luscious Lawn

   www.aol.com/lifestyle/best-grass-fertilizers...

   Safer Brand Lawn Restore All-Purpose Fertilizer 9-0-2. Here's another all natural and organic formula that won’t pollute the environment or harm pets and children—but this one is specifically ...

5. Organic fertilizer - Wikipedia

   en.wikipedia.org/wiki/Organic_fertilizer

   Fertilizers are materials that can be added to soil or plants, in order to provide nutrients and sustain growth. Typical organic fertilizers include all animal waste including meat processing waste, manure, slurry, and guano; plus plant based fertilizers such as compost; and biosolids. [2] Inorganic "organic fertilizers" include minerals and ash.

6. Nutrient pollution - Wikipedia

   en.wikipedia.org/wiki/Nutrient_pollution

   Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients.It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters), in which excess nutrients, usually nitrogen or phosphorus, stimulate algal growth. [1]

7. Nitrogen deficiency - Wikipedia

   en.wikipedia.org/wiki/Nitrogen_deficiency

   Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as "robbing" the soil of nitrogen.