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Show Utah Academy of Sciences, Arts and Letters 84 \ / / / / \' \' / .! " ,'" / / u, / o I ;' • V )'" (f)ZO 2 I (!) / / o a:: I W / I o I s <D I O-M. ST NOARD <D NO ;K 2 GM. ,, 2GM. RI ASTED 4-1 p- 0 fERTILIZ R I / 0.. / I Z I I", I 010 Z 4 , " 7RE TMEN" 2 OM. C OAL COl L F EAT I / / / , / \ / __,J / .. - ,.. .- f-----" o . WEEKS I ... 15 AFTER 10 Ie: treated portions of t TREATMENT Figure 1. Nitrate, nitrogen produced in variously Millville loam soil during a twelve-week incubation period. ; . |
