Fox, Robert L.Yost, Russell S.2010-02-242010-02-241980Fox RL, Yost RS. 1980. Mapping soil fertility and fertilizer requirements. Honolulu (HI): University of Hawaii. 1 p. (Illustrated Concepts in Tropical Agriculture; IC-23).http://hdl.handle.net/10125/15100A map of fertilizer phosphorus requirements for the island of Hawaii is discussed. It shows the amount of P fertilizer required per gram of dry soil to establish 0.02 microgram P per milliliter of soil solution, a level that is capable of producing near-maximum yields of many agronomic crops.1 pagesen-USphosphorus fertilizersHawaiiArticle