Determination the effects of grey water irrigation in chlorophylls a, b pigments concentrations and some primary products in Vicia faba and Citrullus lanatus and some soil properties
Determination the effects of grey water(kitchen sewage-treatment 1) irrigation on chlorophylls a, b and total chlorophylls pigments and some primary products(starch and total proteins) concentrations in Vicia faba and Citrullus lanatus and some soil properties compared with tap water(control) and with tap water contain phosphate fertilizations(treatment 2) was the aim of the study. Grey water was light acidity(pH=5.7) and its electrical conductivity high respectively 0.42ms/cm because its contents of total dissolved solids 2.02ppm and total suspended solids 1.4ppm and 1.45ppm organic material content with high BOD values respectively 18ppm and higher COD values 22.5ppm, phosphate ions values were higher 16.8ppm than nitrate ions concentrations 0.126ppm and anions concentrations(sulphate 2.4ppm and chloride 0.145ppm). Grey water irrigation effected in total chlorophyll pigments concentrations positively in Vicia faba recoded 0.386mg/g and less than in Citrullus lanatus recorded 0.241mg/g compared with tap water irrigation values(0.303mg/g in Vicia faba and 0.712mg/g in Citrullus lanatus) and tap water contain phosphate fertilizations values(0.224 mg/g in Vicia faba and 1.037mg/g in Citrullus lanatus). Starch values did not effected by grey water irrigation because the values recorded in Vicia faba 150µg/g and Citrullus lanatus 166µg/g were the lower values but higher values 230µg/g in Vicia faba and 300µg/g in Citrullus lanatus recorded were irrigating by tap water and less than in plants irrigated with tap water contain phosphate fertilizations(200µg/g in Vicia faba and 166µg/g in Citrullus lanatus). Proteins values showed different affect with types of water used in irrigation when recorded 32.5µg/g such as higher value in Vicia faba irrigated by grey water and 8.5µg/g in Citrullus lanatus such as lower values irrigated by tap water contain phosphate fertilizations. Grey water irrigation increased electrical conductivity and organic materials contents and less effected in phosphate concentrations and had not effected in nitrate, sulphate and chloride concentrations in soil. Grey water effected in soil natural floral when Streptococcal fecalic and Escherichia coli recorded in soils irrigated with it and tap water added Enterobacter to soils irrigated with it therefore we can use grey water as sources of water without expensive treatment.
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