# Combined Application of Filter Cake and Macadamia Husk
## 3 Results and Discussions
### Effect of Soil Amendment on Soil Fertility
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c c} \hline \hline
**Leal/Rast** & **Treatment** & **N (C)** & **A (C)** & **Mg (Mg C)** & **K (C)** & **Na (mg/kg)** & **Zn (mg/kg)** & **Cu (mg/kg)** & **Mn (mg/kg)** & **Fe (mg/kg)** & **Fe (mg/kg)** & **Al (mg/kg)** \\ \hline  & CONT & 3.73 \(\pm\) 0.04 & 1.00 \(\pm\) 0.01 & 0.99 \(\pm\) 0.04 & 4.26 \(\pm\) 0.03 & 1005 & 28.9 \(\pm\) 0.6 & 2.31 \(\pm\) 0.4 & 127 \(\pm\) 1.2 & 271 \(\pm\) 6.0 & 0.17 \(\pm\) 0.01 & 100.3 \(\pm\) 3.5 \\  & PC & 4.16 \(\pm\) 0.08 & 1.02 \(\pm\) 0.04 & 0.65 \(\pm\) 0.00 & 4.72 \(\pm\) 0.16 & 615 \(\pm\) 11 & 302 \(\pm\) 1.4 & 167 \(\pm\) 0.2 & 146 \(\pm\) 11 & 348 \(\pm\) 8.0 & 0.29 \(\pm\) 0.01 & 551 \(\pm\) 2.8 \\  & MIC & 4.45 \(\pm\) 0.08 & 1.13 \(\pm\) 0.01 & 0.63 \(\pm\) 0.01 & 4.26 \(\pm\) 0.12 & 919 \(\pm\) 56 & 5.7 \(\pm\) 1.0 & 153 \(\pm\) 0.4 & 124 \(\pm\) 3 & 334 \(\pm\) 9.0 & 0.21 \(\pm\) 0.01 & 560 \(\pm\) 11 \\ Leaf & IP & 3.87 \(\pm\) 0.19 & 1.23 \(\pm\) 0.21 & 0.55 \(\pm\) 0.00 & 3.88 \(\pm\) 0.31 & 987 \(\pm\) 25 & 198 \(\pm\) 0.6 & 147 \(\pm\) 1.0 & 133 \(\pm\) 7 & 533 \(\pm\) 9.7 & 0.20 \(\pm\) 0.04 & 584 \(\pm\) 25 \\  & PC-HF & 4.03 \(\pm\) 0.08 & 1.17 \(\pm\) 0.06 & 0.67 \(\pm\) 0.02 & 5.19 \(\pm\) 0.21 & 679 \(\pm\) 52 & 312 \(\pm\) 0.8 & 16.5 \(\pm\) 1.0 & 160 \(\pm\) 11 & 418 \(\pm\) 6.8 & 0.33 \(\pm\) 0.01 & 568 \(\pm\) 29 \\  & MIC-EF & 4.61 \(\pm\) 0.12 & 1.38 \(\pm\) 0.27 & 0.64 \(\pm\) 0.05 & 4.26 \(\pm\) 0.19 & 956 \(\pm\) 35 & 282 \(\pm\) 0.2 & 154 \(\pm\) 0.3 & 127 \(\pm\) 7.2 & 458 \(\pm\) 0.4 & 0.20 \(\pm\) 0.01 & 577 \(\pm\) 21 \\  & PC-MIC & 4.73 \(\pm\) 0.18 & 1.59 \(\pm\) 0.03 & 0.71 \(\pm\) 0.03 & 4.96 \(\pm\) 0.04 & 1009 \(\pm\) 57 & 346 \(\pm\) 1.0 & 16.8 \(\pm\) 0.6 & 167 \(\pm\) 21 & 443 \(\pm\) 3.5 & 0.47 \(\pm\) 0.01 & 597 \(\pm\) 39 \\ \hline  & CONT & 4.07 \(\pm\) 0.09 & 0.12 \(\pm\) 0.01 & 0.10 \(\pm\) 0.01 & 2.12 \(\pm\) 0.06 & 789 \(\pm\) 10 & 128 \(\pm\) 0.2 & 0.12 \(\pm\) 0.01 & 128 \(\pm\) 1.1 & 244 \(\pm\) 0.06 & 0.16 \(\pm\) 0.01 & 287 \(\pm\) 6.0 \\  & PC & 1.30 \(\pm\) 0.06 & 0.12 \(\pm\) 0.00 & 0.13 \(\pm\) 0.01 & 2.30 \(\pm\) 0.04 & 999 \(\pm\) 32 & 13.2 \(\pm\) 0.19 & 9.9 \(\pm\) 0.1 & 21 \(\pm\) 0.06 & 242 \(\pm\) 20 & 208 \(\pm\) 25 \\ Storage & MIC & 1.23 \(\pm\) 0.12 & 0.13 \(\pm\) 0.01 & 0.11 \(\pm\) 0.01 & 2.23 \(\pm\) 0.19 & 837 \(\pm\) 61 & 132 \(\pm\) 0.2 & 9.9 \(\pm\) 0.2 & 20.1 \(\pm\) 0.1 & 216 \(\pm\) 2.3 & 0.17 \(\pm\) 0.03 & 523 \(\pm\) 5.0 \\ Root & IP & 1.39 \(\pm\) 0.16 & 0.13 \(\pm\) 0.01 & 0.11 \(\pm\) 0.01 & 2.23 \(\pm\) 0.09 & 876 \(\pm\) 22 & 131 \(\pm\) 0.1 & 10.1 \(\pm\) 0.6 & 20.1 \(\pm\) 0.01 & 223 \(\pm\) 1.0 & 20.2 \(\pm\) 0.03 & 257 \(\pm\) 8 \\  & PC-HF & 1.24 \(\pm\) 0.16 & 0.13 \(\pm\) 0.00 & 0.14 \(\pm\) 0.02 & 2.45 \(\pm\) 0.03 & 927 \(\pm\) 22 & 133 \(\pm\) 0.16 & 10.1 \(\pm\) 0.5 & 22.1 \(\pm\) 1.9 & 259 \(\pm\) 15 & 0.24 \(\pm\) 0.04 & 276 \(\pm\) 28 \\  & MIC-EF & 1.28 \(\pm\) 0.12 & 0.14 \(\pm\) 0.01 & 0.11 \(\pm\) 0.00 & 2.13 \(\pm\) 0.12 & 852 \(\pm\) 0.12 & 126 \(\pm\) 0.3 & 140 \(\pm\) 0.6 & 20.1 \(\pm\) 0.05 & 21 \(\pm\) 1.0 & 219 \(\pm\) 4.0 & 0.19 \(\pm\) 0.01 & 264 \(\pm\) 6.0 \\  & MIC-FC & 1.58 \(\pm\) 0.07 & 0.16 \(\pm\) 0.01 & 0.17 \(\pm\) 0.01 & 2.52 \(\pm\) 0.05 & 794 \(\pm\) 12 & 13.6 \(\pm\) 0.2 & 12.0 \(\pm\) 0.1 & 21 \(\pm\) 1.1 & 254 \(\pm\) 12 & 0.31 \(\pm\) 0.04 & 222 \(\pm\) 6.0 \\ \hline \multicolumn{11}{c}{A MANOVA was performed across the 7 treatments. Means along the same column with different letters were significantly different (\(p<0.05\)).} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} \\ \hline \end{tabular}
\end{table} 
Table 5: Effect of the combined application of filter cake, maccademia husk compost, and other treatments on the mineral contents in the leaves and storage root of 199062.1 cultivar of orange-flesbed sweet potato.