Biosaline agriculture
Biosaline agriculture is the production and growth of plants in saline rich groundwater and/or soil.[1] In water scarce locations, salinity poses a serious threat to agriculture due to its toxicity to most plants.[2] Abiotic stressors such as salinity, extreme temperatures, and drought make plant growth difficult in many climate regions.[2] Integration of biosaline solutions is becoming necessary in arid and semiarid climates where freshwater abundance is low and seawater is ample.[2] Salt-tolerant plants that flourish in high-salinity conditions are called halophytes.[1] Halophyte implementation has the potential to restore salt-rich environments, provide for global food demands, produce medicine and biofuels, and conserve fresh water.[3]
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Halophyte plant growth in the saline abundant soil of Liberty County, July 1983.
Uses
- Crops: Various halophytes, such as Mesembryanthemum crystallinum, and Salsola soda, are vegetables that can be grown for human consumption. Other halophytes, such as Bassia hyssopifolia and Panicum turgidum can be used as forage or fodder to feed livestock, performing as efficiently as commonly used feed.[3]
- Desalination/Restoration: Biosaline agriculture can be a sustainable solution to traditional agricultural because it allows ecosystem restoration. Halophytes have properties that can desalinate, capture heavy metals in soil, and don't require fresh water to produce. By planting multiple cycles of halophytes, the ground can be restored to a healthier state for traditional agriculture use. Ecosystem restoration can occur through transfer of halophyte to salt sensitive plants. This increases the salt tolerance of glycophytes, salt sensitive species that make up the majority of agriculture crops.[3]
- Medicines: Biosaline agriculture can be used to grow plants with anti-inflammatory, antioxidant, and anticancer properties. Examples of these species include the Arthrocnemum indicum and Limoniastrum monopetalum.[3] Additionally, various halophytes such as the Heliotropium curassavicum, can promote wound healing.[3]
- Biofuel: Research is ongoing about the benefits of halophyte use in biofuel production. Some species produce nearly 40% oil per seed and species like the Karelinia caspia, can produce high amounts of methane.[3]
See also
- Alkali soil – Soil type with pH > 8.5
- Arabidopsis thaliana responses to salinity
- Crop tolerance to seawater – Crop tolerance to seawater is the ability of an agricultural crop to withstand the high salinity induced by irrigation with seawater.
- Environmental impacts of deicing salt – Process of removing ice, snow, or frost from a surface
- Salt tolerance of crops
- Soil salinity – Salt content in the soil
References
- Masters, David G.; Benes, Sharon E.; Norman, Hayley C. (March 2007). "Biosaline agriculture for forage and livestock production". Agriculture, Ecosystems & Environment. 119 (3–4): 234–248. doi:10.1016/j.agee.2006.08.003. ISSN 0167-8809.
- Abdelly, C. (2008). Biosaline agriculture and high salinity tolerance. Birkhäuser. ISBN 978-3-7643-8554-5. OCLC 422728812.
- Nikalje, Ganesh C.; Srivastava, Ashish K.; Pandey, Girdhar K.; Suprasanna, Penna (2017-11-26). "Halophytes in biosaline agriculture: Mechanism, utilization, and value addition". Land Degradation & Development. 29 (4): 1081–1095. doi:10.1002/ldr.2819. ISSN 1085-3278. S2CID 134784003.
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