Tithonia diversifolia is a species of flowering plant in the family Asteraceae that is commonly known as the tree marigold,[2]Mexican tournesol, Mexican sunflower, Japanese sunflower or Nitobe chrysanthemum. It is native to Mexico and Central America but has a nearly pantropical distribution as an introduced species.[1] Depending on the area they may be either annual or perennial. It has shown great potential in raising the soil fertility in soils depleted in nutrients.[3]
Originating in Mexico; research has shown its potential in benefiting poor African farmers.[4] This plant is a weed that grows quickly and has become an option as an affordable alternative to expensive synthetic fertilizers.[5] It has shown to increase plant yields and the soil nutrients of nitrogen (N), phosphorus (P), and potassium (K).[5]
^ ab"Tithonia diversifolia". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2011-05-19.
^USDA, NRCS (n.d.). "Tithonia diversifolia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 11 December 2015.
^Achieng, J. O., Ouma, G., Odhiambo, G., & and Muyekho, F. (2007). Effect of tithonia diversifolia (hemsley) and inorganic fertilizers on maize yield on alfisols and ultisols of western kenya . Biennial Conference, Kenya. p.259
^Jama, B., Palm, C. A., Buresh, R. J., Niang, A., Gachengo, C., Nziguheba, G., et al. (2000). Tithonia diversifolia as a green manure for soil fertility improvement in western kenya: A review. Agroforestry Systems, 49. p.202
^ abJama et al. 2000, p.202
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