Impact of industrial particulate pollutants applied to soil on growth and yield of tomato
2002
Raghav, Deepali(Aligarh Muslim University, Aligarh (India). Dept. of Botany. Environmental Pollution Research Unit) | Khan, Abrar A.(Aligarh Muslim University, Aligarh (India). Dept. of Botany. Environmental Pollution Research Unit) E-mail:[email protected]
Study was conducted to observe the impact of industrial particulate pollutants (fly ash, cement dust and brick kiln dust) applied to soil on plant growth and yield of tomato. It was observed that all the ratios of fly ash amended soil (5, 10, 15, 20 and 25 percent) increased the plant growth and yield as compared to the control except 50 percent fly ash, where plant growth and yield were reduced. Growth and yield were maximum at 20 percent levels. In the cement dust experiments, it was seen that growth and yield of tomato were inversely proportional to the levels of cement dust. Brick kiln dust showed somewhat increment in growth and yield of plant at lower levels and the maximum were in 15 percent concentration. Among three particulates, fly ash and brick kiln dust were found beneficial for plant growth and yield at lower levels. The ideal levels were 15 percent and 20 percent for brick kiln and fly ash respectively. However, cement dust was very harmful to plant at all the levels.
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