Using extension phosphorus uptake research to improve Idaho's nutrient management planning program.

Hines, Steve and Moore, Amber and Brown, Brad and Chahine, Mireille and de Haro Marti, M.E. and Falen, Christi and Parkinson, Stuart and Ippolito, J.A. (2012) Using extension phosphorus uptake research to improve Idaho's nutrient management planning program. Journal of Extension. Article #5RIB10. Vol. 50(5). 29 October 2012.

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Abstract

Irrigated silage corn is the main crop used for phosphorus removal; however little is known about the actual amounts of phosphorus removed under southern Idaho growing conditions. The purpose of this study was to survey phosphorus removal by irrigated corn grown for silage in southern Idaho under variable soil test phosphorus concentrations. In this survey whole plant corn tissue phosphorus concentrations ranged from 0.116 to 0.307% total phosphorus and averaged 0.208%, which is lower than Natural Resources Conservation Services estimates used prior to 2007 (0.26% phosphorus) but higher than estimates used since 2007 (0.185%). The study was used by NRCS to update nutrient management planning software used by planners in Idaho.

Item Type:	Article
NWISRL Publication Number:	1439
Subjects:	Irrigated crops > Corn / maize Soil > Chemistry > Phosphorous
Depositing User:	Users 6 not found.
Date Deposited:	29 Oct 2012 22:35
Last Modified:	04 Mar 2014 17:27
Item ID:	1474
URI:	https://eprints.nwisrl.ars.usda.gov/id/eprint/1474