Snail is not commonly used in organic farming.
Organic farming focuses on sustainable and ecological practices, using natural methods to enhance soil fertility, control pests, and promote plant health. While certain organisms are beneficial and commonly used in organic farming, the use of snails as a deliberate component in organic farming practices is not widespread.
Among the options provided:
- Snail: While snails can have some beneficial roles in an ecosystem, such as consuming plant debris and contributing to nutrient recycling, they are not typically intentionally introduced or used in organic farming as a part of pest control or other agricultural practices.
- Anabaena: Anabaena is a genus of cyanobacteria that has the ability to fix atmospheric nitrogen. While not as commonly used as some other organisms in organic farming, certain cyanobacteria species, including Anabaena, can contribute to soil fertility and may be used in specific cases or experimental settings to enhance nitrogen availability for plants.
- Azospirillum: Azospirillum is a group of nitrogen-fixing bacteria that can be used in organic farming. They are often applied as inoculants to seeds or added to the soil to promote plant growth and nitrogen availability. Azospirillum has been researched and used in organic farming systems to enhance plant nutrient uptake and reduce the need for synthetic nitrogen fertilizers.
- Glomus: Glomus refers to a group of arbuscular mycorrhizal (AM) fungi. These fungi form symbiotic associations with plant roots, aiding in nutrient uptake and improving soil structure. Glomus and other AM fungi are commonly used in organic farming to enhance plant health, nutrient absorption, and soil fertility.
Therefore, the correct answer is: Snail is not commonly used in organic farming.
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