Research Article
Nitrogen Immobilization in Plant Growth Substrates: Clean Chip Residual, Pine Bark, and Peatmoss
Table 3
Chemical properties of clean chip residual, pine bark, and peatmoss substrates.
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zCCR: clean chip residual, PB: pine bark, PM: sphagnum peatmoss. y1 mS·cm−1 = 1 mmho/cm. xSubstrate analysis performed on nonamended samples; N: nitrogen, P: phosphorous, K: potassium, Ca: calcium, Mg: magnesium, S: sulfur, B: boron, Fe: iron, Mn: manganese, Cu: copper, Zn: zinc, and 1 ppm = 1 mg·kg−1. wMeans within column followed by the same letter are not significantly different based on Waller-Duncan ratio -tests ( = 0.05, = 3). |