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Table 1 Elemental analysis of hydroponically-grown wheat shoot tissue

From: A sterile hydroponic system for characterising root exudates from specific root types and whole-root systems of large crop plants

Element Hydroponics Reference valuea
Al (mg kg−1) 2.4 ± 0.5 < 200
B (mg kg−1) 4.4 ± 1.1 3–25
Ca (% w w−1) 0.20 ± 0.01 0.18–0.40
Cu (mg kg−1) 17.7 ± 0.5 1.3–18.0
Fe (mg kg−1) 63 ± 2 25–100
K (% w w−1) 3.2 ± 0.1 3.0–3.5
Mg (% w w−1) 0.08 ± 0.003 0.05–0.40
Mn (mg kg−1) 93 ± 6 < 700
P (% w w−1) 0.21 ± 0.02 0.24–0.70
S (% w w−1) 0.35 ± 0.01 0.28–0.30
Zn (mg kg−1) 102 ± 4 18–390
  1. Whole-shoot tissues of sterile hydroponically grown 30-day-old wheat plants were homogenised and elemental content analysed by ICP-MS. Results show the mean ± SE (n = 10 plants)
  2. aReference values were based on the values (wheat at the Feekes scale 3 growth stage) previously reported [68]