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Long-Term Soil Productivity Study:

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  1. R1 - Priest River
    • Pre-Harvest
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    • 3 Year Post-Harvest
    • 5 Year Post-Harvest
  2. R4 - Council Ranger District

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Microbial Processes > Long-Term Soil Productivity (LTSP) Study > Results to Date > Council Ranger District LTSP (Region 4) 5 Year Post-Harvest Soil Measurements

R4 5 Yr. Post-Harvest % Soil Organic Matter

Graph showing pre-harvest % organic matter 5 years after implementing 9 treatments - C0OM0: 10.0594213343425%; C0OM1: 8.75506876114724%; C0OM2: 6.64622239419893%; C1OM0: 6.77760118040681%; C1OM1: 6.46153031140667%; C1OM2: 7.54059031028547%; C2OM0: 9.10456336379785%; C2OM1: 7.52860535140851%; C2OM2: 5.56018461352569%


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R4 5 Yr. Post-Harvest Soil pH

Graph showing soil pH 5 years after implementing 9 treatments - C0OM0: 5.09123153155229; C0OM1: 4.86672205862604; C0OM2: 5.11986632175913; C1OM0: 4.97344006291465; C1OM1: 5.22655877600102; C1OM2: 4.87471119113227; C2OM0: 4.89442125973528; C2OM1: 4.94962267658408; C2OM2: 4.9461851971905


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R4 5 Yr. Post-Harvest Mineral Soil CEC

Graph showing mineral soil CEC 5 years after implementing 9 treatments - C0OM0: CEC = 1352.74796182917 Mg/L NH4; C0OM1: CEC = 1415.92897213091 Mg/L NH4; C0OM2: CEC = 1508.26659635417 Mg/L NH4; C1OM0: CEC = 1389.75976270377 Mg/L NH4; C1OM1: CEC = 1390.92512643113 Mg/L NH4; C1OM2: CEC = 1532.82814019537 Mg/L NH4; C2OM0: CEC = 1340.83973742736 Mg/L NH4; C2OM1: CEC = 1383.14599982679 Mg/L NH4; C2OM2: CEC = 1357.85341816032 Mg/L NH4


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R4 5 Yr. Post-Harvest Soil Cations

Graph showing soil cations 5 years after implementing 9 treatments - C0OM0: MG = 21.3597769230769 mg/kg, CA = 164.27186 mg/kg, K = 92.9963353846154 mg/kg; C0OM1: MG = 14.3451213333333 mg/kg, CA = 151.209064666667 mg/kg, K = 66.0299533333333 mg/kg; C0OM2: MG = 17.4106426666667 mg/kg, CA = 148.792912 mg/kg, K = 101.629282666667 mg/kg; C1OM0: MG = 21.3870313513514 mg/kg, CA = 152.212490810811 mg/kg, K = 82.2251524324324 mg/kg; C1OM1: MG = 13.8719373913043 mg/kg, CA = 131.031056521739 mg/kg, K = 73.1319034782609 mg/kg; C1OM2: MG = 20.3907571428571 mg/kg, CA = 147.806944761905 mg/kg, K = 79.2644161904762 mg/kg; C2OM0: MG = 17.2292372727273 mg/kg, CA = 141.448821818182 mg/kg, K = 83.2272590909091 mg/kg; C2OM1: MG = 19.1630346341463 mg/kg, CA = 153.137328780488 mg/kg, K = 106.703212682927 mg/kg; C2OM2: MG = 23.97286 mg/kg, CA = 168.492490588235 mg/kg, K = 66.0249658823529 mg/kg


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Council Ranger District LTSP 5 Year Post-Harvest Vegetation Measurements >