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Fig. 5. (a) Soil nitrate measurements taken on apparent electrical conductivity (ECa) survey dates. Comparison is shown for winter wheat cover crop and no-cover for the four year study. All values are taken from Replicate 2. (b) Water-filled pore space (WFPS) measurements on ECa survey dates. Comparison is shown for winter wheat cover crop and no-cover for the 4-yr study. Mean of differences of no-cover minus cover demonstrate a water deficit of cover compared with no-cover for the 4-yr study. All values are taken from Replicate 2.
