Table 9: Analysis of variance for total nonseeded biomass (gm−2) in Field 1 for 2009-2010. For details regarding the statistical analysis see Section 2.

Source DF MS F P Factor 1 (Nutr) 1 1474468 17.24 .000 Factor 2 (Fert) 1 30884 0.36 .549 Factor 3 (Treat) 4 1973507 23.07 .001 NutrFert 1 81136 0.95 .333 Nutr Treat 4 371723 4.35 .003 FertTreat 4 2620 0.03 .998 NutrFertTreat 4 3326 0.04 .997 Error 1 100 85541 Year 1 19225 1.51 .222 NutrYear 1 552 0.04 .836 Fert Year 1 104834 8.24 .005 Treat Year 4 63246 4.97 .001 NutrFertYear 1 232 0.02 .893 NutrTreatYear 4 25529 2.01 .099 FertTreatYear 4 15395 1.21 .312 NutrFertTreatYear 4 17982 1.41 .235 Error 2 100 12726