International Journal of Horticulture, 2017, Vol.7, No. 31, 288-298
291
Table 2 Correlations of soil chemical characteristics with nutrient absorption index in Thompson Seedless on different rootstocks
Nutrient
Soil Characteristics
Organic carbon (%)
pH
EC(dSm
-1
)
CaCO
3
(%)
ESP (%)
OWN DOG 110R OWN DOG 110R OWN DOG 110R OWN DOG 110R OWN DOG 110R
N
0.630** 0.195 -0.173 -0.284
-0.028 0.385 0.545* -0.143 -0.235 -0.350 0.104 0.405
-0.637** 0.042
-0.234
P
-0.057 0.016 -0.055 -0.631** -0.460 0.207 -0.163 0.366
-0.332 -0.450 0.174 0.403
-0.569* -0.129 -0.156
K
0.329
-0.070 -0.321 0.518
0.338 0.447 0.024 -0.014 -0.132 -0.554* -0.508* 0.361
-0.545* -0.388 -0.360
Ca
-0.253 0.103 0.085 0.415
0.508* -0.022 -0.009 -0.017 0.144 0.107 0.479* 0.248
-0.148 -0.043 -0.049
Mg
0.108
0.256 -0.163 0.361
0.063 -0.072 -0.301 0.351
0.192 0.081 0.190 -0.001
-0.061 -0.149 0.154
S
-0.482* 0.121 -0.262 -0.528* -0.539* -0.141 0.330 0.472* 0.325 -0.180 0.060 0.071
-0.186 0.043
0.136
Na
-0.240 -0.096 0.055 0.270
0.296 0.285 0.178 0.023
0.125 0.190 0.482* -0.045
0.338 0.194
-0.145
Fe
0.211
0.360 0.061 -0.298
-0.237 -0.188 -0.067 0.231
0.565* 0.015 0.044 0.089
0.478* 0.429
0.047
Mn
0.180
0.191 0.081 -0.402
-0.266 0.039 -0.176 0.666** 0.258 -0.062 0.415 0.364
0.423 0.127
0.019
Zn
0.204
0.244 0.038 -0.179
-0.288 0.286 0.155 0.599** 0.287 -0.742 0.053 -0.012
-0.273 0.064
-0.204
Cu
0.065
-0.096 0.195 -0.045
0.174 -0.277 0.095 -0.124 0.148 0.211 -0.035 -0.207
-0.100 -0.182 0.284
Note: OWN = Own root.; DOG= Dog Ridge; *Significant @ P=0.05; **Significant @ P=0.01