Meat Eaters Guide: Methodology - Environmental Working Group

Meat Eaters Guide: Methodology
70. R. Dalgaard, et al, “LCA of Soybean Meal”, Intl Journal of LCA 13 (3) 2008.
71. University Of California - Cooperative Extension Sample Costs To Establish And Produce Alfalfa: Intermountain
Region – Siskiyou County Scott Valley – Mixed Irrigation, 2007 accessed June 2010: http://coststudies.ucdavis.edu/current.php
72. This is yearly average given that in second and fourth production years, 200 lb of phosphorus as 11-52-0
(104 lb of P2O5) is custom applied. Three-hundred lb of sulfur (elemental) per acre is also custom spread
in March of the fourth production year.
73. Rochette, e al, “Emissions of N2O from Alfalfa and Soybean Crops in Eastern Canada”, SOIL SCI. SOC.
AM. J., VOL. 68, MARCH–APRIL 2004; Rochette and Janzen, “Towards a revised coefficient for estimating
N2O emissions from legumes”, Nutrient Cycling in Agroecosystems (2005) 73:171 (200
74. Rochette, e al, “Emissions of N2O from Alfalfa and Soybean Crops in Eastern Canada”, SOIL SCI. SOC.
AM. J., VOL. 68, MARCH–APRIL 2004; Rochette and Janzen, “Towards a revised coefficient for estimating
N2O emissions from legumes”, Nutrient Cycling in Agroecosystems (2005) 73:171 (200
75. Input data from Idaho indicates no application of fertilizer. However, extension data from other states does
recommend som phosphorous, sulfur and potassium application under poor soil conditions.
76. Our estimate for nuts is an average of the following: California almonds-average of 4 systems 2.05 CO 2 e,
walnuts .71 CO 2 e, peanuts 1.04 CO 2 e and pecans 1.61 CO 2 e.
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Environmental Working Group Meat Eaters Guide: Methodology 2011