Red cabbage yield, heavy metal content, water use and soil chemical characteristics under wastewater irrigation
作者： Talip Tunc , Ustun Sahin
DOI: 10.1007/S11356-015-5848-X
关键词:
摘要: The objective of this 2-year field study was to evaluate the effects drip irrigation with urban wastewaters reclaimed using primary (filtration) and secondary (filtration aeration) processes on red cabbage growth fresh yield, heavy metal content, water use efficiency soil chemical properties. Filtered wastewater (WW1), filtered aerated (WW2), freshwater mix (1:1 by volume) (WW3) (FW) were investigated as treatments. Crop evapotranspiration decreased significantly, while increased under treatments compared FW. WW1 treatment had lowest value (474.2 mm), FW highest (556.7 mm). found in 8.41 kg m(-3), there a twofold increase regard Wastewater fertility therefore yield. WW2 produced total yield (40.02 Mg ha(-1)). However, content crops soil. Cd heads above safe limit, (0.168 mg kg(-1)). WW3 among is less risky terms crop pollution faecal coliform contamination. Therefore, for could be recommended higher irrigation.
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