Full TGIF Record # 21475
Item 1 of 1
Publication Type:
Author(s):Dal Puzo, Chuck
Title:Fertilizers may become victims
Source:Golden State Fairways. Vol. 1, No. 1, First quarter 1989, p. 20.
Publishing Information:Las Vegas: R/K Communications Group, Inc.
Keywords:TIC Keywords: Fertilizers; Legislation; Phosphorus; Nitrogen; State legislation
Abstract/Contents:"Fertilizer's in California may soon fall victim to the same type of regulatory restrictions that now hinder the use and registration of pesticides, if various environmental groups and some state legislators have their way. Anti-fertilizer advocates often charge nitrate and phosphorus fertilizers with being a major source of water pollution. Phosphorous is transported to surface waters by two mechanisms; 1)in solution by leaching, 2) in solution by runoff (Zobriski et al., 1971). Only small amounts of phosphorus are lost via leaching, however, with surface water being the major transport route. A study of particulate phosphorus collected from a variety of urban land uses showed highest particulate phosphorus levels were found at actively eroding construction sites. Therefore, a well maintained turf should not be a contributor of potentially more dangerous since plants available nitrate nitrogen can be leached from the upper surfaces of the soil in addition to the possibility of being moved over the surface in runoff waters. Research by Diete and Ellis showed that nitrate derived from slow-release nitrogen fertilizers were not significantly leached into lower soil layers, and therefore reduced any pollutron hazard.
Note:Reprinted from "Thru the Green", October 1988, GCSA of Northern California
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dal Puzo, C. 1989. Fertilizers may become victims. Golden State Fairways. 1(1):p. 20.
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