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 area
Leaf dry weight
Stem dry weight
Stem length
Treatments
(cm2)
(g)
(g)
(cm)
Control
1419 d
15.0 b
14.0 d
124.6 abc
Fe EDDHA + UAN
1552 bc
15.1 b
14.5 bcd
124.0 abc
ACB DTPA
1563 bc
16.4 a
15.6 abc
127.6 ab
ACB 22.75
1584 abc
16.4 a
16.1 a
129.4 a
ACB 44.5
1464 cd
15.2 b
15.6 abc
126.3 ab
FA 22.75 + UAN
1527 bcd
15.2 b
14.3 cd
122.5 bc
FA 44.5 + UAN
1694 a
16.1 ab
14.8 bcd
124.2 abc
FA DTPA + UAN
1590 ab
15.3 ab
14.3 cd
119.5 c
LSD
121
1.1
1.3
5.5
Value
3.79
2.3
2.84
2.5
Pr
0.002
0.0397
0.0133
0.0263
Refer to Experimental Design and Statistical Analysis section for treatment codes.