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2. Tree injection - Wikipedia

   en.wikipedia.org/wiki/Tree_injection

   Trunk injection or endotherapy also known as vegetative endotherapy, [1] [2] [3] is a method of target-precise application of pesticides, [4] [5] [6] plant resistance activators, [7] or fertilizers [8] into the xylem vascular tissue of a tree with the purpose of protecting the tree from pests, or to inject nutrients to correct for nutrient deficiencies.

3. Springtail - Wikipedia

   en.wikipedia.org/wiki/Springtail

   Carnivorous species maintain populations of small invertebrates such as nematodes, rotifers, and other collembolan species. [ 11 ] [ 15 ] Springtails commonly consume fungal hyphae and spores, but also have been found to consume plant material and pollen, animal remains, colloidal materials, minerals and bacteria.

4. Nematode - Wikipedia

   en.wikipedia.org/wiki/Nematode

   About 90% of nematodes reside in the top 15 cm (6") of soil. Nematodes do not decompose organic matter, but, instead, are parasitic and free-living organisms that feed on living material. Nematodes can effectively regulate bacterial population and community composition—they may eat up to 5,000 bacteria per minute.

5. Tree health - Wikipedia

   en.wikipedia.org/wiki/Tree_health

   Trees can live for a long time but eventually die, either from natural causes or killed by man. Ill-health of trees can be diagnosed, and early treatment, pruning or felling to prevent the spread may result in timber stocks and amenity trees being saved. Tree owners and Arborists/arboriculturists need to be aware of the risk posed by hazardous ...

6. Xiphinema americanum - Wikipedia

   en.wikipedia.org/wiki/Xiphinema_americanum

   Xiphinema americanum, the American dagger nematode, is a species of plant pathogenic nematodes.It is one of many species that belongs to the genus Xiphinema.It was first described by N. A. Cobb in 1913, who found it on both sides of the United States on the roots of grass, corn, and citrus trees. [1]

7. Entomopathogenic nematode - Wikipedia

   en.wikipedia.org/wiki/Entomopathogenic_nematode

   Not only do entomopathogenic nematodes affect their host insects, they can also change the species composition of the soil community. Many familiar animals like earthworms and insect grubs live in the soil, but smaller invertebrates such as mites, collembolans, and nematodes are also common.