Research Article

Fly Ash and Composted Biosolids as a Source of Fe for Hybrid Poplar: A Greenhouse Study

Table 3

Biomass results of OP-367 (P. deltoides × P. nigra) showing significant differences after amending with industrial byproducts. Means with the same letter are not significantly different at the level.

Leaf areaLeaf dry weightStem dry weightStem length
Treatments (cm2) (g) (g) (cm)

Control1419 d15.0 b14.0 d124.6 abc
Fe EDDHA + UAN1552 bc15.1 b14.5 bcd124.0 abc
ACB DTPA1563 bc16.4 a15.6 abc127.6 ab
ACB 22.751584 abc16.4 a16.1 a129.4 a
ACB 44.51464 cd15.2 b15.6 abc126.3 ab
FA 22.75 + UAN1527 bcd15.2 b14.3 cd122.5 bc
FA 44.5 + UAN1694 a16.1 ab14.8 bcd124.2 abc
FA DTPA + UAN1590 ab15.3 ab14.3 cd119.5 c

LSD1211.11.35.5
Value3.792.32.842.5
Pr 0.0020.03970.01330.0263

Refer to Experimental Design and Statistical Analysis section for treatment codes.