Soil Solution Chemistry Zero Tension Lysimeters Chronic Nitrogen Amendment Plots Harvard Forest LTER Site, Petersham, MA USA 1996 - 1997 Collections Units are mg-N/L or mg-C/L MoDay Year Treat Stand Plot NO3N NH4N DIN TDN DON TOC Code 501 1996 4 Hard Control . . . . . . 507 1996 4 Hard Control 0.21 0.00 0.21 1.13 0.93 27.06 513 1996 4 Hard Control 0.28 0.00 0.28 0.88 0.59 16.30 604 1996 4 Hard Control 0.00 0.00 0.00 0.96 0.96 32.47 610 1996 4 Hard Control 0.22 0.00 0.22 0.90 0.69 25.91 614 1996 4 Hard Control 0.20 0.00 0.20 0.97 0.76 28.03 709 1996 4 Hard Control 0.75 0.13 0.88 1.61 0.72 24.97 709 1996 4 Hard Control 0.00 0.00 0.00 0.79 0.79 21.27 729 1996 4 Hard Control 0.00 0.18 0.18 1.57 1.39 40.08 815 1996 4 Hard Control 0.29 0.19 0.48 1.41 0.93 29.44 909 1996 4 Hard Control 0.00 0.21 0.21 2.60 2.39 63.92 919 1996 4 Hard Control 0.00 0.06 0.06 1.19 1.13 30.41 924 1996 4 Hard Control 0.00 0.00 0.00 1.05 1.05 31.31 1002 1996 4 Hard Control 0.00 0.00 0.00 0.95 0.95 24.47 1011 1996 4 Hard Control 0.00 0.00 0.00 0.78 0.78 22.29 1023 1996 4 Hard Control 0.00 0.00 0.00 0.80 0.80 28.76 1108 1996 4 Hard Control 0.00 0.34 0.34 2.09 1.74 55.68 522 1997 4 Hard Control 0.50 0.48 0.98 1.61 0.63 15.39 619 1997 4 Hard Control 0.40 0.98 1.38 3.50 2.12 56.74 701 1997 4 Hard Control 0.19 0.00 0.19 1.12 0.92 29.13 704 1997 4 Hard Control 0.00 0.38 0.38 1.95 1.58 54.76 710 1997 4 Hard Control 0.20 0.00 0.20 1.28 1.08 48.48 721 1997 4 Hard Control 0.92 0.46 1.38 2.78 1.40 27.66 728 1997 4 Hard Control 2.19 1.29 3.48 5.75 2.26 62.28 805 1997 4 Hard Control 0.00 0.21 0.21 1.69 1.48 40.25 812 1997 4 Hard Control 0.74 0.00 0.74 1.65 0.91 20.97 814 1997 4 Hard Control 0.00 0.00 0.00 1.07 1.07 29.77 818 1997 4 Hard Control 0.00 0.00 0.00 2.81 2.81 50.76 822 1997 4 Hard Control 0.00 0.00 0.00 1.42 1.42 43.97 1005 1997 4 Hard Control 0.00 0.00 0.00 1.20 1.20 28.63 1029 1997 4 Hard Control 0.00 0.00 0.00 0.75 0.75 38.17 1104 1997 4 Hard Control 0.00 0.00 0.00 0.97 0.97 44.08 1111 1997 4 Hard Control . . . . . . 501 1996 5 Hard High N 0.31 0.21 0.52 1.87 1.34 60.18 507 1996 5 Hard High N 0.56 2.20 2.76 4.59 1.83 44.79 513 1996 5 Hard High N 47.61 27.62 75.24 79.79 4.56 15.91 604 1996 5 Hard High N 1.45 3.26 4.71 7.77 3.06 58.30 610 1996 5 Hard High N 40.00 32.59 72.59 81.26 8.67 29.39 614 1996 5 Hard High N 5.30 6.76 12.06 14.20 2.15 48.83 709 1996 5 Hard High N 5.05 6.47 11.52 13.27 1.75 30.71 709 1996 5 Hard High N 1.24 2.27 3.51 5.24 1.73 34.75 729 1996 5 Hard High N . . . . . . 815 1996 5 Hard High N 52.29 44.20 96.49 98.75 2.26 39.96 909 1996 5 Hard High N 136.20 120.00 256.20 285.17 28.97 55.27 919 1996 5 Hard High N 11.93 9.98 21.91 24.58 2.67 34.49 924 1996 5 Hard High N 2.21 3.98 6.19 8.52 2.33 58.61 1002 1996 5 Hard High N 15.43 10.56 25.99 27.63 1.64 15.63 1011 1996 5 Hard High N 5.56 5.02 10.58 13.74 3.16 29.82 1023 1996 5 Hard High N 1.63 3.16 4.79 6.49 1.70 39.32 1108 1996 5 Hard High N 1.45 1.60 3.05 5.00 1.96 48.32 522 1997 5 Hard High N 12.09 9.60 21.70 21.88 0.18 10.89 619 1997 5 Hard High N 43.58 36.55 80.13 79.77 . 48.69 701 1997 5 Hard High N 3.69 1.63 5.32 6.31 0.99 . 704 1997 5 Hard High N 51.62 47.72 99.33 105.24 5.90 42.47 710 1997 5 Hard High N 5.64 6.20 11.84 12.84 1.01 31.29 721 1997 5 Hard High N 4.17 3.58 7.75 9.08 1.33 27.35 728 1997 5 Hard High N 5.17 9.82 14.99 18.12 3.13 73.64 805 1997 5 Hard High N 89.89 72.19 162.08 175.44 13.36 41.90 812 1997 5 Hard High N 6.11 6.11 12.22 13.05 0.82 21.36 814 1997 5 Hard High N 5.69 5.59 11.28 12.23 0.95 32.73 818 1997 5 Hard High N 1.14 1.45 2.59 4.08 1.50 31.68 822 1997 5 Hard High N 4.77 3.08 7.86 9.51 1.66 39.90 1005 1997 5 Hard High N 21.90 16.57 38.47 81.27 42.80 23.27 1029 1997 5 Hard High N 11.75 7.69 19.44 18.56 . 30.01 1104 1997 5 Hard High N 5.38 4.57 9.96 9.13 . 37.20 1111 1997 5 Hard High N 2.16 1.98 4.14 4.92 0.78 23.10 501 1996 6 Hard Low N 3.18 2.19 5.37 7.73 2.36 53.26 507 1996 6 Hard Low N 0.44 0.00 0.44 1.19 0.76 26.97 513 1996 6 Hard Low N 13.20 8.91 22.10 25.83 3.73 22.38 604 1996 6 Hard Low N 0.23 0.19 0.41 1.71 1.29 40.10 610 1996 6 Hard Low N 9.84 6.14 15.98 19.69 3.71 25.32 614 1996 6 Hard Low N 0.74 0.31 1.05 2.09 1.04 39.00 709 1996 6 Hard Low N 1.38 1.17 2.55 3.70 1.15 37.73 709 1996 6 Hard Low N 0.00 0.04 0.04 1.10 1.06 23.92 729 1996 6 Hard Low N 0.34 0.31 0.65 2.11 1.46 49.99 815 1996 6 Hard Low N 8.97 7.05 16.01 17.91 1.90 35.93 909 1996 6 Hard Low N 52.90 40.27 93.17 105.86 12.69 60.59 919 1996 6 Hard Low N 0.20 0.54 0.74 2.25 1.52 30.91 924 1996 6 Hard Low N 0.46 0.46 0.93 3.01 2.08 56.89 1002 1996 6 Hard Low N 3.41 1.43 4.84 5.63 0.79 30.26 1011 1996 6 Hard Low N 0.31 0.35 0.65 1.94 1.29 34.00 1023 1996 6 Hard Low N 0.00 0.00 0.00 1.03 1.03 34.11 1108 1996 6 Hard Low N 0.00 2.98 2.98 9.66 6.68 176.73 522 1997 6 Hard Low N 1.40 1.39 2.79 3.53 0.73 13.44 619 1997 6 Hard Low N 12.67 11.28 23.95 25.51 1.57 47.45 701 1997 6 Hard Low N 9.20 5.93 15.13 17.05 1.93 63.82 704 1997 6 Hard Low N 29.12 23.38 52.51 55.48 2.97 34.95 710 1997 6 Hard Low N 0.63 1.34 1.97 4.76 2.80 33.21 721 1997 6 Hard Low N 1.67 2.39 4.06 7.20 3.14 58.55 728 1997 6 Hard Low N 3.82 4.08 7.90 12.35 4.45 119.44 805 1997 6 Hard Low N 37.08 30.19 67.27 70.27 3.00 73.73 812 1997 6 Hard Low N 1.61 1.63 3.24 4.53 1.29 23.67 814 1997 6 Hard Low N 0.49 0.51 1.00 2.65 1.65 43.74 818 1997 6 Hard Low N 0.54 0.48 1.02 3.65 2.63 81.92 822 1997 6 Hard Low N 0.00 0.00 0.00 2.77 2.77 74.14 1005 1997 6 Hard Low N 7.67 6.47 14.13 15.32 1.19 44.53 1029 1997 6 Hard Low N 0.65 0.00 0.65 2.74 2.09 63.05 1104 1997 6 Hard Low N 0.00 0.00 0.00 1.94 1.94 57.53 1111 1997 6 Hard Low N 0.00 0.00 0.00 0.89 0.89 28.37 501 1996 1 Pine Control . . . . . . 507 1996 1 Pine Control 0.29 0.00 0.29 2.14 1.84 66.36 513 1996 1 Pine Control 0.37 0.00 0.37 1.27 0.90 32.36 604 1996 1 Pine Control 0.00 0.00 0.00 1.08 1.08 36.30 610 1996 1 Pine Control 0.46 0.00 0.46 1.54 1.07 32.16 614 1996 1 Pine Control 0.37 0.38 0.75 2.44 1.69 10.73 709 1996 1 Pine Control 0.00 0.23 0.23 1.61 1.38 51.04 709 1996 1 Pine Control 0.89 0.52 1.41 2.54 1.12 49.30 729 1996 1 Pine Control . . . . . . 815 1996 1 Pine Control 0.39 0.44 0.83 2.65 1.83 75.43 909 1996 1 Pine Control . . . . . . 919 1996 1 Pine Control 0.00 1.91 1.91 4.32 2.41 78.66 924 1996 1 Pine Control 0.00 0.19 0.19 1.77 1.58 62.64 1002 1996 1 Pine Control 0.00 0.46 0.46 2.06 1.60 61.60 1011 1996 1 Pine Control 0.00 0.00 0.00 1.52 1.52 53.31 1023 1996 1 Pine Control 0.00 0.25 0.25 1.86 1.61 67.42 1108 1996 1 Pine Control 0.00 0.00 0.00 3.37 3.37 117.42 522 1997 1 Pine Control 0.65 0.68 1.33 2.33 1.00 22.88 619 1997 1 Pine Control 1.13 0.63 1.77 3.62 1.85 49.66 701 1997 1 Pine Control 0.43 0.22 0.65 2.31 1.66 58.20 704 1997 1 Pine Control 0.96 1.11 2.07 3.79 1.72 47.06 710 1997 1 Pine Control 0.45 0.92 1.37 2.90 1.53 34.59 721 1997 1 Pine Control 1.97 1.37 3.33 5.58 2.25 40.79 728 1997 1 Pine Control 3.65 3.37 7.01 11.85 4.84 98.10 805 1997 1 Pine Control 0.53 0.95 1.48 2.84 1.36 40.55 812 1997 1 Pine Control 0.89 0.54 1.42 2.30 0.88 24.17 814 1997 1 Pine Control 0.00 0.30 0.30 1.91 1.60 47.49 818 1997 1 Pine Control 0.00 0.00 0.00 2.29 2.29 63.59 822 1997 1 Pine Control 0.00 0.00 0.00 2.28 2.28 73.82 1005 1997 1 Pine Control 0.29 0.00 0.29 2.31 2.02 68.14 1029 1997 1 Pine Control 0.26 0.00 0.26 2.09 1.84 72.35 1104 1997 1 Pine Control 0.00 0.00 0.00 2.09 2.09 80.82 1111 1997 1 Pine Control 0.00 0.00 0.00 1.09 1.09 40.46 501 1996 2 Pine High N 0.00 1.94 1.94 3.91 1.98 43.77 507 1996 2 Pine High N 3.00 1.60 4.59 6.20 1.61 42.17 513 1996 2 Pine High N 7.21 4.78 11.98 15.13 3.15 28.40 604 1996 2 Pine High N 2.00 2.02 4.02 6.19 2.17 48.16 610 1996 2 Pine High N 24.50 18.53 43.03 46.64 3.61 40.04 614 1996 2 Pine High N 9.68 9.43 19.11 20.99 1.88 70.00 709 1996 2 Pine High N 7.91 10.05 17.96 20.68 2.72 64.90 709 1996 2 Pine High N 3.18 3.02 6.19 7.84 1.65 48.75 729 1996 2 Pine High N 7.69 7.62 15.31 19.45 4.14 92.67 815 1996 2 Pine High N 70.36 58.88 129.24 138.75 9.51 70.79 909 1996 2 Pine High N 86.10 66.12 152.22 166.20 13.98 103.22 919 1996 2 Pine High N 11.98 12.49 24.47 27.99 3.52 65.24 924 1996 2 Pine High N 7.06 8.97 16.03 18.37 2.34 73.14 1002 1996 2 Pine High N 25.72 18.72 44.43 50.84 6.40 41.13 1011 1996 2 Pine High N 8.20 8.65 16.85 20.61 3.76 57.78 1023 1996 2 Pine High N 5.85 6.78 12.63 14.44 1.80 70.41 1108 1996 2 Pine High N 11.17 10.90 22.08 29.96 7.89 142.66 522 1997 2 Pine High N 7.29 4.53 11.82 12.29 0.47 15.66 619 1997 2 Pine High N 39.72 30.02 69.74 70.28 0.54 54.51 701 1997 2 Pine High N 62.02 40.01 102.03 110.24 8.22 71.52 704 1997 2 Pine High N 59.80 50.68 110.49 161.85 51.36 36.21 710 1997 2 Pine High N 8.85 6.77 15.62 16.81 1.18 39.94 721 1997 2 Pine High N 8.19 5.48 13.68 15.34 1.66 41.69 728 1997 2 Pine High N 8.05 7.92 15.97 18.65 2.68 68.45 805 1997 2 Pine High N 101.36 86.28 187.64 204.23 16.59 65.79 812 1997 2 Pine High N 9.07 7.21 16.28 17.07 0.79 28.01 814 1997 2 Pine High N 11.72 7.35 19.07 20.30 1.24 39.09 818 1997 2 Pine High N . . . . . . 822 1997 2 Pine High N 17.17 4.92 22.09 23.53 1.44 79.40 1005 1997 2 Pine High N 35.49 25.87 61.36 64.74 3.38 109.06 1029 1997 2 Pine High N 12.06 8.67 20.73 22.63 1.90 74.30 1104 1997 2 Pine High N 10.50 7.71 18.21 18.99 0.78 97.69 1111 1997 2 Pine High N 3.69 3.11 6.80 8.83 2.03 54.49 501 1996 3 Pine Low N 0.90 0.40 1.31 2.71 1.40 48.37 507 1996 3 Pine Low N 1.57 0.87 2.44 3.30 0.86 46.44 513 1996 3 Pine Low N . . . . . . 604 1996 3 Pine Low N 1.18 0.71 1.88 3.37 1.49 48.60 610 1996 3 Pine Low N 4.27 2.70 6.97 10.19 3.22 36.69 614 1996 3 Pine Low N 3.47 1.54 5.01 6.72 1.71 64.46 709 1996 3 Pine Low N 2.79 0.77 3.56 5.89 2.33 50.54 709 1996 3 Pine Low N 4.88 3.12 8.00 9.92 1.92 62.61 729 1996 3 Pine Low N . . . . . . 815 1996 3 Pine Low N 17.86 9.34 27.20 29.00 1.80 87.56 909 1996 3 Pine Low N 70.90 48.86 119.76 127.55 7.79 114.97 919 1996 3 Pine Low N 6.52 8.53 15.05 18.69 3.64 96.84 924 1996 3 Pine Low N 3.86 4.98 8.84 11.37 2.53 93.47 1002 1996 3 Pine Low N 9.57 6.35 15.92 16.48 0.56 65.57 1011 1996 3 Pine Low N 3.40 2.46 5.86 7.98 2.12 63.68 1023 1996 3 Pine Low N 1.62 1.40 3.02 4.76 1.75 58.43 1108 1996 3 Pine Low N 8.11 2.19 10.30 15.95 5.65 119.91 522 1997 3 Pine Low N 3.56 0.89 4.45 5.09 0.64 16.31 619 1997 3 Pine Low N 10.16 6.59 16.76 17.97 1.22 40.63 701 1997 3 Pine Low N . . . . . . 704 1997 3 Pine Low N 18.97 14.34 33.31 34.13 0.82 41.45 710 1997 3 Pine Low N 4.08 2.27 6.34 7.41 1.07 25.77 721 1997 3 Pine Low N 4.80 1.65 6.45 7.82 1.37 37.65 728 1997 3 Pine Low N 7.45 3.19 10.63 12.41 1.78 51.28 805 1997 3 Pine Low N 9.12 6.58 15.70 17.13 1.43 53.82 812 1997 3 Pine Low N 2.75 1.76 4.51 5.51 1.00 28.67 814 1997 3 Pine Low N 2.41 1.50 3.91 5.67 1.76 52.39 818 1997 3 Pine Low N . . . . . . 822 1997 3 Pine Low N 6.23 1.52 7.75 10.29 2.55 81.76 1005 1997 3 Pine Low N 23.82 15.84 39.66 43.12 3.47 98.15 1029 1997 3 Pine Low N 8.05 2.85 10.90 11.39 0.49 47.04 1104 1997 3 Pine Low N 9.14 1.29 10.43 10.41 . 50.91 1111 1997 3 Pine Low N 2.25 0.86 3.11 4.24 1.13 38.36