Use of Treated Wastewater as Fertilization and Irrigation Amendment in Pot-grown Processing Tomatoes

Plants of tomato cultivar 'TITANO M' were grown under glasshouse conditions, in plastic pots filled with the upper (Ap, Soil A) and the underlying horizons (Bt, Soil B) of an Alfisol from central Greece in a randomized complete block design. Four treatments were utilized: no fertilization...

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Bibliographic Details
Published in:Journal of plant nutrition 2009-05, Vol.32 (4-6), p.741-754
Main Authors: Samaras, V, Tsadilas, C.D, Tsialtas, J.T
Format: Article
Language:English
Subjects:
A horizons
aerial parts
Agronomy. Soil science and plant productions
B horizons
Biological and medical sciences
container-grown plants
Economic plant physiology
effluent
electrical conductivity
exchangeable magnesium
exchangeable sodium
fertigation
fertilizer rates
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
heavy metals
irrigation water
Lycopersicon esculentum
macronutrients
Metabolism
Metabolism. Physicochemical requirements
micronutrients
NPK fertilizers
Nutrition. Photosynthesis. Respiration. Metabolism
Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
photosynthates
Plant physiology and development
Soil and water pollution
Soil science
Soil-plant relationships. Soil fertility. Fertilization. Amendments
Solanum lycopersicom L
Solanum lycopersicum var. lycopersicum
tomatoes
wastewater irrigation
water use efficiency
zinc
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Summary:Plants of tomato cultivar 'TITANO M' were grown under glasshouse conditions, in plastic pots filled with the upper (Ap, Soil A) and the underlying horizons (Bt, Soil B) of an Alfisol from central Greece in a randomized complete block design. Four treatments were utilized: no fertilization and irrigation with distilled water (C), irrigation with wastewater without fertilization (W), complete fertilization (110 kg N ha-1, 150 kg P2O5 ha-1, 150 kg K2O ha-1) and irrigation with distilled water (CF), complete fertilization and irrigation with wastewater (WF) each replicated four times. The results showed that wastewater significantly increased electrical conductivity (EC), exchangeable sodium percentage (ESP), exchangeable magnesium (Mg), and extractable zinc (Zn). A three-fold increase of above ground biomass (AGB) compared to C treatment was recorded in Soil A. Photosynthates allocation to AGB and water use efficiency (WUE) were promoted by effluent application. Wastewater could be a water source for agriculture under water limited conditions substituting partially for inorganic fertilization.
ISSN:0190-4167
1532-4087
DOI:10.1080/01904160902787859