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Table 1 Chemical properties of the used soil

From: Exogenous 2-(3,4-Dichlorophenoxy) triethylamine ameliorates the soil drought effect on nitrogen metabolism in maize during the pre-female inflorescence emergence stage

Year pH HCO3
+ CO32−
(mg kg− 1)
Cl
(mg kg− 1)
SO42−
(mg kg− 1)
Ca2+
(mg kg− 1)
Mg2+
(mg kg− 1)
Na+
(mg kg− 1)
K+
(mg kg− 1)
N
(mg kg− 1)
P
(mg kg− 1)
2016 7.2 204.3 297.6 463.8 87.4 37.6 4.1 28.9 17.3 3.9
2017 7.1 201.7 302.5 446.2 90.3 40.9 4.0 31.4 16.1 3.8