Abstract
Membrane Bio Reactor(MBR) methods is considered as one of the most advanced used technology in waste water treatment. The aim of this technology is to obtain high quality treated waste water. This study conducted to investigate the ability of using of sewage water from zaafrania city for irrigation and their effect on corn growth and some of soil chemical properties which include electrical conductivity and soil pH in extract soil paste and the micro nutrient content in soil and plant which include Fe, Mn, Zn, Cu, Cd, Pb. Three levels of wastewater were used 0, 50, 100% in two stages, the three levels of wastewater ( without soil fertilization ) were used in the first stage, where 21.8 Kg P/D +80 N Kg/D was added to the soil as fertilizer in the control 0% treatment and 10.9Kg P/D +40 Kg N/D were added to 50 and 100% levels in the second stage. Corn seeds were planted in 10kg plastic pots in Completely Randomized Block Design in three replicates. The results refer to a high significant increase in plant height, fresh and dry weight for all treatments in comparison with control treatment. The low add level of wastewater 50%+ half of fertilizer recommendation gives a significant increase of plant height and fresh and dray weight. The results showed a high increased of electrical conductivity for 50, 100% wastewater added levels for both stages compared with control treatment. The high add level 100% gives high significant increase of electrical conductivity compared with the low level of the wastewater. Whereas the values of soil PH were close to the neutral for all treatment. The result showed a significant increase in micro nutrients content (which include Fe, Mn, Zn, Cu, Cd, Pb) in soil and plant for all treatment compared with control treatment, this increased was continues with the increase of additional level of wastewater. However all the micro nutrient was within the allowed natural limits and not reached the toxic limits in soil and plant.
Highlights
بزٔس انزسة انظفشاء،تٕٚٛت انذٛ الأغش،ٙبِ انظشف انظذٛ ي:تٛانكهًبث انًفخبد Abstract: Membrane Bio Reactor(MBR) methods is considered as one of the most advanced used technology in waste water treatment
This study conducted to investigate the ability of using of sewage water from zaafrania city for irrigation and their effect on corn growth and some of soil chemical properties which include electrical conductivity and soil pH in extract soil paste and the micro nutrient content in soil and plant which include Fe, Mn, Zn, Cu, Cd, Pb
The results refer to a high significant increase in plant height, fresh and dry weight for all treatments in comparison with control treatment
Summary
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