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Table 4 from:


Sleugh, B. B., Gilfillen, R. A., and Willian, W. T. 2006. Broiler litter fertility regimes influence forage nutritive value of sorghum-sudangrass. Online. Forage and Grazinglands doi:10.1094/FG-2006-0920-01-RS.



Table 4. Average concentration of P, Cu, Fe, and Zn in sorghum-sudangrass with varying broiler litter and inorganic fertilizer fertility regimes in 2001, 2002, and 2003.

Treatment P Cu Fe Zn
2001 2002 2003 2001 2002 2003 2001 2002 2003 2001 2002 2003
(g/kg DM) (mg/kg DM)
Litter-N 4.1a* 4.1a 4.3b 14.7a 18.1a 12.5a 101.8a 126.2a 312.2a 55.3a 66.7a 63.7a
Litter-P 4.0ab 3.6ab 5.2a 13.8a 15.2b 8.9d 124.4a 113.1a 155.4c 30.0b 46.7c 49.6b
Litter-P+N 3.7b 3.5ab 4.6b 14.7a 17.2ab 10.5c 101.4a 119.6a 227.3b 53.9a 56.6b 54.0ab
Inorganic fertilizer 3.2c 3.1b 4.5b 14.7a 17.2ab 11.4b 107.8a 112.5a 223.3b 55.1a 58.3b 54.1ab

 * Means followed by the same letter are not different at the P ≤ 0.05 level.





© 2006 Plant Management Network.