Soil Solution Chemistry Zero Tension Lysimeters Chronic Nitrogen Amendment Plots Harvard Forest LTER Site, Petersham, MA USA 1994 - 1995 Collections Units are mg-N/L or mg-C/L MoDay Year Treat Stand Plot NO3N NH4N DIN TDN DON TOC Code 414 1994 4 Hard Control 0.08 0.05 0.14 0.18 0.05 5.67 504 1994 4 Hard Control 0.77 0.22 0.99 1.31 0.32 13.04 511 1994 4 Hard Control 0.15 0.04 0.19 0.54 0.35 17.59 527 1994 4 Hard Control 0.20 0.05 0.26 0.80 0.54 20.83 606 1994 4 Hard Control 0.62 0.16 0.79 1.35 0.56 21.96 625 1994 4 Hard Control 0.42 0.19 0.61 1.53 0.92 39.88 712 1994 4 Hard Control 0.54 0.09 0.63 1.47 0.84 27.74 725 1994 4 Hard Control 0.22 0.12 0.34 2.15 1.81 63.53 802 1994 4 Hard Control 0.15 0.14 0.28 1.99 1.71 48.13 817 1994 4 Hard Control 0.54 0.29 0.84 2.44 1.60 38.28 920 1994 4 Hard Control 0.59 0.40 0.98 2.33 1.35 44.01 928 1994 4 Hard Control 0.06 0.10 0.16 1.58 1.42 48.25 420 1995 4 Hard Control 0.00 0.00 0.00 0.74 0.74 27.38 429 1995 4 Hard Control 2.15 0.74 2.89 0.20 . . 512 1995 4 Hard Control 0.00 0.00 0.00 1.35 1.35 45.19 525 1995 4 Hard Control 0.77 0.28 1.06 1.98 0.93 54.32 530 1995 4 Hard Control 0.18 0.00 0.18 1.35 1.17 46.66 605 1995 4 Hard Control 0.00 0.00 0.00 1.01 1.01 47.93 627 1995 4 Hard Control 0.00 0.00 0.00 1.84 1.84 86.54 709 1995 4 Hard Control 0.33 0.00 0.33 1.40 1.08 47.86 719 1995 4 Hard Control 0.64 0.00 0.64 1.46 0.81 39.40 726 1995 4 Hard Control 0.36 0.00 0.36 1.14 0.78 36.34 727 1995 4 Hard Control 0.52 0.00 0.52 1.89 1.37 59.18 807 1995 4 Hard Control 0.00 0.00 0.00 1.20 1.20 52.10 918 1995 4 Hard Control 0.00 0.00 0.00 1.01 1.01 44.75 923 1995 4 Hard Control 0.00 0.00 0.00 0.72 0.72 37.78 1006 1995 4 Hard Control 0.00 0.00 0.00 1.31 1.31 37.28 1016 1995 4 Hard Control 0.00 0.00 0.00 1.10 1.10 40.08 1024 1995 4 Hard Control 0.00 0.00 0.00 0.76 0.76 41.15 1029 1995 4 Hard Control 0.00 0.00 0.00 0.63 0.63 30.80 1104 1995 4 Hard Control 0.00 0.00 0.00 0.59 0.59 33.88 1108 1995 4 Hard Control 0.00 0.00 0.00 0.91 0.91 36.14 1113 1995 4 Hard Control 0.00 0.00 0.00 0.60 0.60 27.14 1116 1995 4 Hard Control 0.00 0.00 0.00 0.82 0.82 31.22 414 1994 5 Hard High N 0.11 0.28 0.39 0.71 0.32 12.17 504 1994 5 Hard High N 0.77 1.15 1.92 2.74 0.82 20.63 511 1994 5 Hard High N 32.13 5.82 37.95 37.45 . 20.78 527 1994 5 Hard High N 2.59 2.30 4.89 5.80 0.91 26.90 606 1994 5 Hard High N 43.25 29.87 73.12 76.77 3.65 21.06 625 1994 5 Hard High N 2.74 3.16 5.90 7.63 1.73 52.70 712 1994 5 Hard High N 9.20 6.98 16.18 18.22 2.04 31.89 725 1994 5 Hard High N 0.63 0.57 1.20 2.94 1.73 49.52 802 1994 5 Hard High N 12.81 4.12 16.93 18.57 1.64 36.65 817 1994 5 Hard High N 1.20 1.67 2.87 4.66 1.79 48.78 920 1994 5 Hard High N 3.22 3.56 6.78 7.77 0.99 39.30 928 1994 5 Hard High N 16.29 9.01 25.30 25.27 . 44.75 420 1995 5 Hard High N 0.43 0.82 1.24 1.56 0.32 30.47 429 1995 5 Hard High N . . . . . . 512 1995 5 Hard High N 22.97 4.33 27.30 25.97 . 21.25 525 1995 5 Hard High N 2.19 2.51 4.69 5.76 1.07 65.58 530 1995 5 Hard High N 0.89 1.82 2.71 4.33 1.61 51.89 605 1995 5 Hard High N 20.63 10.09 30.71 32.29 1.57 31.55 627 1995 5 Hard High N . . . . . . 709 1995 5 Hard High N 54.00 42.33 96.33 103.34 7.01 63.78 719 1995 5 Hard High N 10.50 10.24 20.74 23.09 2.35 64.09 726 1995 5 Hard High N 91.90 78.14 170.04 186.52 16.48 53.19 727 1995 5 Hard High N 27.84 17.31 45.15 46.22 1.08 103.65 807 1995 5 Hard High N 3.17 5.06 8.23 11.39 3.16 87.21 918 1995 5 Hard High N 7.71 8.08 15.79 19.64 3.85 82.79 923 1995 5 Hard High N 34.84 28.76 63.61 69.35 5.75 62.51 1006 1995 5 Hard High N 3.49 4.80 8.28 11.07 2.79 51.71 1016 1995 5 Hard High N 0.78 2.04 2.82 4.47 1.65 40.32 1024 1995 5 Hard High N 0.58 2.39 2.98 3.86 0.88 47.40 1029 1995 5 Hard High N 0.50 2.40 2.89 5.69 2.80 63.09 1104 1995 5 Hard High N 0.77 2.55 3.33 4.39 1.06 54.77 1108 1995 5 Hard High N 0.70 2.93 3.63 6.49 2.87 56.00 1113 1995 5 Hard High N 0.26 2.03 2.29 4.01 1.72 40.21 1116 1995 5 Hard High N 0.23 1.66 1.89 3.45 1.56 39.67 414 1994 6 Hard Low N 0.08 0.04 0.13 0.28 0.15 10.67 504 1994 6 Hard Low N 0.92 0.14 1.05 1.40 0.35 16.26 511 1994 6 Hard Low N 4.73 0.20 4.93 5.52 0.58 16.89 527 1994 6 Hard Low N 0.56 0.11 0.67 1.37 0.70 24.16 606 1994 6 Hard Low N 23.38 16.54 39.92 41.27 1.35 21.53 625 1994 6 Hard Low N 1.25 0.42 1.67 3.23 1.56 61.53 712 1994 6 Hard Low N 12.27 7.27 19.54 20.53 0.98 26.85 725 1994 6 Hard Low N 0.36 0.10 0.45 1.85 1.40 50.73 802 1994 6 Hard Low N 3.25 0.65 3.91 5.14 1.23 39.66 817 1994 6 Hard Low N 1.54 1.19 2.73 . . 41.19 920 1994 6 Hard Low N 1.43 1.94 3.37 4.53 1.17 35.27 928 1994 6 Hard Low N 9.09 4.93 14.03 14.69 0.66 37.12 420 1995 6 Hard Low N 0.20 0.00 0.20 0.66 0.46 26.08 429 1995 6 Hard Low N 0.49 0.00 0.49 0.94 0.45 . 512 1995 6 Hard Low N 8.17 1.71 9.89 11.75 1.86 37.32 525 1995 6 Hard Low N 1.53 0.27 1.80 2.50 0.70 58.24 530 1995 6 Hard Low N 0.28 0.00 0.28 1.14 0.86 43.30 605 1995 6 Hard Low N 16.62 6.23 22.85 24.18 1.34 37.87 627 1995 6 Hard Low N . . . . . . 709 1995 6 Hard Low N 5.64 3.97 9.61 11.53 1.91 49.98 719 1995 6 Hard Low N 1.71 1.23 2.94 3.71 0.78 47.31 726 1995 6 Hard Low N 27.10 19.56 46.66 52.05 5.39 44.30 727 1995 6 Hard Low N 3.47 1.59 5.06 7.21 2.15 86.78 807 1995 6 Hard Low N 0.56 0.52 1.07 2.80 1.72 94.73 918 1995 6 Hard Low N 6.65 6.60 13.25 15.76 2.51 59.38 923 1995 6 Hard Low N 14.77 9.70 24.47 26.43 1.96 42.18 1006 1995 6 Hard Low N 0.73 0.00 0.73 2.46 1.72 47.79 1016 1995 6 Hard Low N 0.00 0.00 0.00 1.32 1.32 34.99 1024 1995 6 Hard Low N 0.00 0.00 0.00 0.95 0.95 49.52 1029 1995 6 Hard Low N 0.00 0.00 0.00 1.14 1.14 44.51 1104 1995 6 Hard Low N 0.00 0.00 0.00 1.37 1.37 56.09 1108 1995 6 Hard Low N 0.00 0.00 0.00 1.75 1.75 60.69 1113 1995 6 Hard Low N 0.00 0.00 0.00 1.33 1.33 50.34 1116 1995 6 Hard Low N 0.00 0.00 0.00 1.10 1.10 36.91 414 1994 1 Pine Control 0.87 0.08 0.95 1.23 0.28 14.18 504 1994 1 Pine Control 1.40 0.36 1.76 2.26 0.50 23.35 511 1994 1 Pine Control 0.11 0.07 0.18 1.01 0.83 37.66 527 1994 1 Pine Control 0.26 0.06 0.32 1.05 0.73 31.54 606 1994 1 Pine Control 1.31 0.07 1.38 1.81 0.43 21.65 625 1994 1 Pine Control 0.57 0.11 0.68 2.21 1.53 56.60 712 1994 1 Pine Control 0.81 0.09 0.90 1.82 0.91 37.55 725 1994 1 Pine Control 0.34 0.13 0.47 1.95 1.47 68.55 802 1994 1 Pine Control 0.21 0.20 0.41 2.61 2.20 69.04 817 1994 1 Pine Control 1.50 2.14 3.65 7.10 3.46 73.80 920 1994 1 Pine Control 0.97 0.25 1.23 3.13 1.90 84.33 928 1994 1 Pine Control 0.05 0.08 0.12 1.63 1.51 75.08 420 1995 1 Pine Control 0.49 0.36 0.84 1.56 0.72 32.39 429 1995 1 Pine Control . . . . . . 512 1995 1 Pine Control 0.22 0.24 0.45 1.13 0.68 29.98 525 1995 1 Pine Control 0.74 0.59 1.33 2.01 0.69 56.48 530 1995 1 Pine Control 0.24 0.00 0.24 1.18 0.94 43.76 605 1995 1 Pine Control 0.00 0.00 0.00 1.34 1.34 49.77 627 1995 1 Pine Control . . . 4.57 . 52.40 709 1995 1 Pine Control 0.92 0.43 1.35 2.65 1.30 42.77 719 1995 1 Pine Control 1.39 0.50 1.89 2.54 0.66 50.87 726 1995 1 Pine Control . . . . . 54.32 727 1995 1 Pine Control . . . . . 113.66 807 1995 1 Pine Control 0.00 0.86 0.86 2.22 1.36 84.22 918 1995 1 Pine Control 0.66 1.03 1.69 4.17 2.48 94.24 923 1995 1 Pine Control 0.27 0.82 1.09 2.50 1.40 71.04 1006 1995 1 Pine Control 0.00 0.65 0.65 2.47 1.82 65.46 1016 1995 1 Pine Control 0.24 0.36 0.60 2.00 1.40 51.09 1024 1995 1 Pine Control 0.00 0.00 0.00 1.41 1.41 65.19 1029 1995 1 Pine Control 0.20 0.00 0.20 1.27 1.06 50.75 1104 1995 1 Pine Control 0.00 0.00 0.00 1.37 1.37 65.02 1108 1995 1 Pine Control 0.00 0.00 0.00 1.76 1.76 68.18 1113 1995 1 Pine Control 0.00 0.00 0.00 1.19 1.19 53.64 1116 1995 1 Pine Control 0.00 0.00 0.00 0.95 0.95 39.17 414 1994 2 Pine High N 1.46 1.00 2.45 2.74 0.29 12.20 504 1994 2 Pine High N 2.83 1.86 4.69 5.36 0.67 23.83 511 1994 2 Pine High N 26.21 5.08 31.29 32.11 0.83 19.87 527 1994 2 Pine High N 9.00 4.89 13.89 14.61 0.72 32.38 606 1994 2 Pine High N 44.04 31.33 75.37 76.14 . 22.39 625 1994 2 Pine High N 10.75 9.70 20.45 22.44 1.99 72.36 712 1994 2 Pine High N 24.80 17.80 42.60 44.28 1.68 42.12 725 1994 2 Pine High N 7.58 4.17 11.75 14.49 2.74 82.78 802 1994 2 Pine High N 11.25 5.25 16.50 18.16 1.66 65.35 817 1994 2 Pine High N 6.44 5.21 11.65 12.91 1.26 58.89 920 1994 2 Pine High N 20.17 17.49 37.66 40.53 2.87 89.22 928 1994 2 Pine High N 42.05 30.89 72.94 73.78 0.84 143.23 420 1995 2 Pine High N 2.08 2.71 4.79 5.13 0.34 34.08 429 1995 2 Pine High N . . . . . . 512 1995 2 Pine High N 33.00 26.52 59.52 64.22 4.70 39.72 525 1995 2 Pine High N 7.00 10.61 17.61 27.22 9.61 62.01 530 1995 2 Pine High N 7.30 6.71 14.01 19.16 5.15 57.67 605 1995 2 Pine High N 30.40 22.90 53.30 59.51 6.21 40.46 627 1995 2 Pine High N . . . . . 168.23 709 1995 2 Pine High N 46.50 48.29 94.79 116.38 21.59 55.99 719 1995 2 Pine High N 16.00 13.41 29.41 32.53 3.12 51.39 726 1995 2 Pine High N 135.70 119.38 255.08 269.02 13.94 72.66 727 1995 2 Pine High N 36.70 33.18 69.88 74.60 4.72 99.29 807 1995 2 Pine High N 17.31 13.28 30.59 34.74 4.15 81.71 918 1995 2 Pine High N 17.84 17.45 35.29 39.12 3.83 74.39 923 1995 2 Pine High N 35.17 29.89 65.06 72.60 7.55 62.50 1006 1995 2 Pine High N 5.47 6.84 12.31 15.86 3.55 69.66 1016 1995 2 Pine High N 3.52 4.66 8.18 11.72 3.54 64.56 1024 1995 2 Pine High N 3.24 4.53 7.77 9.34 1.58 79.67 1029 1995 2 Pine High N 2.50 2.97 5.46 7.67 2.21 57.07 1104 1995 2 Pine High N 3.57 3.61 7.18 8.74 1.56 68.66 1108 1995 2 Pine High N 4.85 4.91 9.76 12.92 3.15 80.62 1113 1995 2 Pine High N 2.49 3.72 6.21 8.79 2.58 64.54 1116 1995 2 Pine High N 1.88 2.68 4.56 6.93 2.37 49.93 414 1994 3 Pine Low N 1.31 0.23 1.54 1.85 0.31 9.69 504 1994 3 Pine Low N 2.04 0.92 2.97 3.55 0.59 22.89 511 1994 3 Pine Low N 4.15 0.17 4.32 5.13 0.81 29.57 527 1994 3 Pine Low N 1.64 0.46 2.11 2.92 0.81 28.74 606 1994 3 Pine Low N 10.17 4.85 15.02 16.07 1.05 21.92 625 1994 3 Pine Low N 2.04 2.09 4.13 5.68 1.56 70.70 712 1994 3 Pine Low N 9.48 5.35 14.83 15.52 0.69 34.29 725 1994 3 Pine Low N 2.93 1.29 4.22 6.19 1.96 73.52 802 1994 3 Pine Low N 6.59 1.34 7.92 9.78 1.86 56.58 817 1994 3 Pine Low N 3.89 3.03 6.92 8.17 1.25 68.06 920 1994 3 Pine Low N 9.46 8.03 17.49 19.42 1.93 63.94 928 1994 3 Pine Low N 19.54 8.82 28.37 30.12 1.76 84.65 420 1995 3 Pine Low N . . . . . 35.56 429 1995 3 Pine Low N . . . . . . 512 1995 3 Pine Low N . . . . . 35.21 525 1995 3 Pine Low N . . . 2.18 . 37.35 530 1995 3 Pine Low N 1.92 0.59 2.51 3.10 0.59 46.28 605 1995 3 Pine Low N 12.24 4.28 16.52 15.40 . 42.26 627 1995 3 Pine Low N . . . . . . 709 1995 3 Pine Low N 9.58 5.83 15.42 17.04 1.63 47.01 719 1995 3 Pine Low N 5.14 3.82 8.95 9.81 0.86 53.12 726 1995 3 Pine Low N 36.80 25.37 62.17 69.11 6.94 54.64 727 1995 3 Pine Low N 17.71 12.88 30.59 34.66 4.07 112.52 807 1995 3 Pine Low N 2.57 3.05 5.62 7.28 1.66 113.13 918 1995 3 Pine Low N 9.58 8.26 17.84 20.24 2.40 76.17 923 1995 3 Pine Low N 22.58 17.40 39.98 44.87 4.89 72.33 1006 1995 3 Pine Low N 3.01 3.66 6.67 9.66 2.99 74.90 1016 1995 3 Pine Low N 1.60 1.73 3.33 5.26 1.93 57.80 1024 1995 3 Pine Low N 1.35 1.49 2.84 4.27 1.42 82.04 1029 1995 3 Pine Low N 1.48 0.95 2.43 3.77 1.34 62.65 1104 1995 3 Pine Low N 1.38 0.57 1.95 3.01 1.06 73.93 1108 1995 3 Pine Low N 1.43 0.53 1.96 4.26 2.30 70.28 1113 1995 3 Pine Low N 1.05 0.95 2.00 3.60 1.61 73.21 1116 1995 3 Pine Low N 0.80 0.50 1.30 2.95 1.65 60.22