Soil Solution Chemistry Zero Tension Lysimeters Chronic Nitrogen Amendment Plots Harvard Forest LTER Site, Petersham, MA USA 1992 - 1993 Collections Units are mg-N/L or mg-C/L MoDay Year Treat Stand Plot NO3N NH4N DIN TDN DON TOC Code 1025 1992 4 Hard Control 0.09 0.09 0.18 0.65 0.46 23.33 1113 1992 4 Hard Control 0.00 0.19 0.19 0.65 0.46 25.56 531 1993 4 Hard Control 0.09 0.14 0.23 0.85 0.62 45.97 623 1993 4 Hard Control 0.06 0.07 0.13 0.95 0.82 54.57 710 1993 4 Hard Control 0.39 0.18 0.57 1.14 0.57 21.00 721 1993 4 Hard Control 0.12 0.05 0.17 0.77 0.60 30.66 728 1993 4 Hard Control 0.22 0.04 0.25 0.72 0.47 28.86 804 1993 4 Hard Control 0.58 0.08 0.66 1.42 0.77 23.65 816 1993 4 Hard Control 1.10 0.28 1.38 1.39 . 18.18 823 1993 4 Hard Control 0.04 0.25 0.29 1.34 1.05 37.86 909 1993 4 Hard Control 0.06 0.10 0.16 2.30 2.14 54.50 910 1993 4 Hard Control 0.11 0.57 0.68 2.32 1.64 39.65 927 1993 4 Hard Control 0.02 0.34 0.36 1.71 1.36 40.09 1005 1993 4 Hard Control 0.40 0.13 0.52 1.87 1.35 34.89 1014 1993 4 Hard Control 0.08 0.04 0.12 0.61 0.49 22.53 1027 1993 4 Hard Control 0.06 0.15 0.21 1.50 1.29 39.02 1104 1993 4 Hard Control 0.06 0.09 0.15 1.55 1.41 39.34 1130 1993 4 Hard Control 0.12 0.11 0.23 0.87 0.65 20.14 1025 1992 5 Hard High N 1.09 0.72 1.81 3.34 1.52 61.69 1113 1992 5 Hard High N 0.17 0.36 0.53 1.73 1.20 45.61 531 1993 5 Hard High N 2.82 1.81 4.63 6.16 1.53 48.75 623 1993 5 Hard High N . . . . . . 710 1993 5 Hard High N 9.89 9.25 19.14 20.49 1.35 19.27 721 1993 5 Hard High N 5.29 5.67 10.96 12.62 1.66 57.24 728 1993 5 Hard High N 23.00 18.06 41.06 47.63 6.57 41.33 804 1993 5 Hard High N 6.47 5.30 11.77 14.67 2.90 35.98 816 1993 5 Hard High N 0.61 0.06 0.67 3.63 2.96 33.90 823 1993 5 Hard High N 0.32 0.92 1.24 4.69 3.45 92.17 909 1993 5 Hard High N 10.09 7.91 18.00 22.85 4.86 64.48 910 1993 5 Hard High N 3.95 1.97 5.92 7.91 1.99 53.54 927 1993 5 Hard High N 32.70 17.65 50.35 53.96 3.61 41.70 1005 1993 5 Hard High N 2.28 0.81 3.09 5.47 2.38 63.54 1014 1993 5 Hard High N 0.80 1.07 1.87 3.88 2.01 45.52 1027 1993 5 Hard High N 0.76 0.99 1.75 3.58 1.83 59.45 1104 1993 5 Hard High N 0.42 0.71 1.12 2.81 1.69 43.95 1130 1993 5 Hard High N 0.26 0.35 0.61 1.60 1.00 27.01 1025 1992 6 Hard Low N 0.26 0.10 0.35 1.14 0.78 35.25 1113 1992 6 Hard Low N 0.00 0.08 0.08 0.74 0.67 28.99 531 1993 6 Hard Low N 0.70 0.35 1.04 2.21 1.17 30.38 623 1993 6 Hard Low N 3.92 1.96 5.88 7.84 1.96 74.57 710 1993 6 Hard Low N 1.51 1.35 2.86 3.87 1.01 16.37 721 1993 6 Hard Low N 1.32 0.63 1.95 3.69 1.73 68.73 728 1993 6 Hard Low N 11.01 4.33 15.34 17.75 2.42 37.00 804 1993 6 Hard Low N 1.80 0.58 2.38 3.49 1.10 27.50 816 1993 6 Hard Low N 0.68 0.07 0.75 1.69 0.94 19.12 823 1993 6 Hard Low N 0.07 0.22 0.29 2.05 1.76 56.55 909 1993 6 Hard Low N 11.45 7.20 18.65 22.35 3.70 34.83 910 1993 6 Hard Low N 0.34 0.15 0.49 1.70 1.21 46.31 927 1993 6 Hard Low N 4.05 0.72 4.77 6.31 1.54 37.78 1005 1993 6 Hard Low N 0.69 0.09 0.78 2.35 1.57 54.41 1014 1993 6 Hard Low N 0.25 0.07 0.32 1.11 0.79 31.36 1027 1993 6 Hard Low N 0.05 0.09 0.14 1.40 1.26 55.53 1104 1993 6 Hard Low N 0.08 0.11 0.19 1.06 0.87 31.11 1130 1993 6 Hard Low N 0.13 0.09 0.22 0.99 0.77 25.46 1025 1992 1 Pine Control 0.13 0.57 0.70 1.75 1.05 83.41 1113 1992 1 Pine Control 0.00 0.06 0.06 1.13 1.07 60.08 531 1993 1 Pine Control 0.52 0.25 0.76 1.66 0.90 44.48 623 1993 1 Pine Control 0.52 1.30 1.82 3.20 1.38 82.74 710 1993 1 Pine Control 0.61 0.62 1.23 2.25 1.03 29.45 721 1993 1 Pine Control 0.57 0.55 1.12 2.04 0.93 43.71 728 1993 1 Pine Control 0.49 0.45 0.93 2.26 1.33 60.68 804 1993 1 Pine Control 0.67 0.50 1.18 2.02 0.85 48.26 816 1993 1 Pine Control 0.55 0.29 0.84 2.99 2.15 65.90 823 1993 1 Pine Control 0.08 0.93 1.00 4.13 3.13 137.80 909 1993 1 Pine Control 1.22 0.41 1.63 3.41 1.78 79.88 910 1993 1 Pine Control 0.22 0.53 0.76 3.63 2.87 122.08 927 1993 1 Pine Control 0.04 0.14 0.17 2.21 2.04 98.87 1005 1993 1 Pine Control 0.16 0.44 0.60 2.34 1.75 85.65 1014 1993 1 Pine Control 0.18 0.11 0.28 1.90 1.62 77.50 1027 1993 1 Pine Control 0.06 0.40 0.46 2.47 2.01 93.90 1104 1993 1 Pine Control 0.07 0.11 0.18 2.01 1.83 71.52 1130 1993 1 Pine Control 0.19 0.13 0.32 1.54 1.22 45.59 1025 1992 2 Pine High N 11.20 11.55 22.75 26.81 4.06 135.38 1113 1992 2 Pine High N 5.89 6.69 12.58 13.97 1.39 78.40 531 1993 2 Pine High N 10.86 8.72 19.58 21.15 1.57 49.36 623 1993 2 Pine High N 66.40 56.52 122.92 122.99 . 103.54 710 1993 2 Pine High N 30.96 27.12 58.08 62.58 4.50 36.74 721 1993 2 Pine High N 21.66 20.44 42.10 43.42 1.32 72.41 728 1993 2 Pine High N 7.15 6.21 13.36 . . 70.23 804 1993 2 Pine High N 24.33 22.12 46.45 39.80 . 55.89 816 1993 2 Pine High N 0.86 0.11 0.97 18.66 17.69 90.57 823 1993 2 Pine High N 8.24 9.55 17.79 25.96 8.17 196.32 909 1993 2 Pine High N 56.92 47.44 104.36 120.58 16.22 138.65 910 1993 2 Pine High N 19.49 25.98 45.47 57.48 12.01 268.12 927 1993 2 Pine High N 42.64 30.74 73.38 79.11 5.73 120.09 1005 1993 2 Pine High N 11.47 14.31 25.78 32.74 6.96 175.72 1014 1993 2 Pine High N 8.53 6.71 15.23 15.83 0.59 70.01 1027 1993 2 Pine High N 8.19 9.85 18.03 24.43 6.39 179.80 1104 1993 2 Pine High N 7.70 6.25 13.95 20.11 6.15 100.51 1130 1993 2 Pine High N 4.80 4.25 9.05 11.93 2.88 66.28 1025 1992 3 Pine Low N 3.44 2.86 6.30 7.93 1.63 67.26 1113 1992 3 Pine Low N 2.92 1.70 4.62 5.69 1.07 50.92 531 1993 3 Pine Low N 3.39 1.99 5.38 6.85 1.47 43.41 623 1993 3 Pine Low N 4.39 4.58 8.97 15.81 6.84 210.76 710 1993 3 Pine Low N 4.30 4.04 8.34 9.40 1.06 30.13 721 1993 3 Pine Low N 2.90 3.36 6.25 7.66 1.41 80.54 728 1993 3 Pine Low N 14.73 8.96 23.69 29.93 6.23 135.25 804 1993 3 Pine Low N 4.12 3.37 7.50 9.54 2.05 55.94 816 1993 3 Pine Low N 1.11 0.20 1.31 6.77 5.46 75.22 823 1993 3 Pine Low N 1.07 1.91 2.98 9.85 6.87 246.79 909 1993 3 Pine Low N 18.14 17.28 35.42 44.23 8.81 256.25 910 1993 3 Pine Low N 6.26 7.30 13.56 26.90 13.34 323.90 927 1993 3 Pine Low N 7.84 3.09 10.93 14.43 3.50 83.59 1005 1993 3 Pine Low N 3.07 0.55 3.63 7.68 4.06 102.57 1014 1993 3 Pine Low N 1.88 1.37 3.25 5.15 1.90 57.11 1027 1993 3 Pine Low N 1.56 0.53 2.09 4.88 2.79 81.71 1104 1993 3 Pine Low N 1.88 0.41 2.29 4.79 2.49 60.67 1130 1993 3 Pine Low N 1.57 0.46 2.02 3.66 1.64 40.04