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Table 1 Physiochemical properties of water

From: Influence of some environmental conditions on stability and activity of Bacillus thuringiensis formulations against the cotton leaf worm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)

Parameter (s) Nile water Ground water Drain water
pH* 7.17 7.33 7.41
Conductivity Ms* 463 775 787
Salinity %* 0.2 0.4 0.4
Total dissolved solids (TDS) mg/l* 219 370 378
Elements (ppb)**
 Cr N.D N.D N.D
 Co N.D 25 37
 Cu N.D N.D N.D
 Fe N.D N.D N.D
 Mn 41 49 48
 Ni 33 40 45
 Zn N.D 35 N.D
 Sn 29 33 42
 Cd N.D N.D N.D
 Pb N.D N.D N.D
 Sb 0.9 0.88 0.97
 As N.D N.D N.D
  1. *Determination was conducting according to Lico et al. (1982)
  2. **Elements determination were carried out by using method of Rice et al. (2012)