https://nova.newcastle.edu.au/vital/access/ /manager/Index en-au 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:32335 Thu 14 Apr 2022 11:05:50 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:30283 Sat 24 Mar 2018 07:33:33 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:26437 Cucumis sativus L.) in spiked soils. Pore-water effective concentration (ECx, x=10%, 20% and 50% reduction) values were negatively related to pH, indicating lower Zn pore water concentration were needed to cause phytotoxicity at high pH soils. Total dissolved zinc (Zn_pw) and free zinc (Zn²⁺) in soil-pore water successfully described 78% and 80.3% of the variation in relative growth (%) in the full dataset. When the complete data set was used (10 soils), the estimated EC50_pw was 450 and 79.2µM for Zn_pw and Zn²⁺, respectively. Total added Zn, soil pore water pH (pH_pw) and dissolve organic carbon (DOC) were the best predictors of Znpw and Zn²⁺ in pore-water. The EC10 (total loading) values ranged from 179 to 5214mg/kg, depending on soil type. Only pH measurements in soil were related to ECx total Zn data. The strongest relationship to ECx overall was pH_ca, although pH_w and pH_pw were in general related to Zn ECx. Similarly, when a solution-only model was used to predict Zn in shoot, DOC was negatively related to Zn in shoot, indicating a reduction in uptake/ translocation of Zn from solution with increasing DOC.]]> Sat 24 Mar 2018 07:27:29 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:40054 Fri 15 Jul 2022 10:02:32 AEST ]]>