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. 2015 Sep 23;6:752. doi: 10.3389/fpls.2015.00752

Table 1.

Selected chemical characteristics of the agricultural soil used.

pH
EC
OM
Nkj
CaCO3, g kg-1
Fea
Mn
Cu
Zn
Texture H2O KCl dS m-1 g kg-1 g kg-1 Total Active mg kg-1
Sandy loam 7.70 7.10 0.270 9.2 0.30 380 89 2.3 1.9 0.7 2.5

aMicronutrients determined as in Soltanpour and Schwab (1977).