A field study investigating the potential use of phosphorus combined with organic amendments on cadmium accumulation by wheat and subsequent rice

Date

2018-10-01

Author

Rehman, Muhammad Zia Ur
Rizwan, Muhammad
Ali, Shafaqat
Naeem, Asif
Yousaf, Balal
Lui, Guijian
Khalid, Hinnan
Saifullah, Saifullah
Hafeez, Farhan
Azhar, Muhammad

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A field study was performed to determine the efficiency of diammonium phosphate (DAP) applied alone or combined with biochar, lignite, and farmyard manure (FYM) on growth and cadmium (Cd) accumulation in wheat and rice. Before crop sowing, different treatments were applied in the field such as a control (T-1), DAP alone (0.1%, T-2), DAP + lignite (0.05% each, T-3), DAP + FYM (0.05% each, T-4), and DAP + biochar (0.05% each, T-5). Afterwards, the wheat seeds were sown in the soil. At wheat postharvest, rice was sown without any further treatment. Raw effluent was applied as an irrigation source during the whole growth period of both crops since it is the common practice of the farmers of study area. It was revealed that the use of amendments enhanced the yield and photosynthesis but lowered the Cd contents in straw as well as grains of both crops. In both crops, the highest yield of straw and grain was found in DAP + FYM whereas the lowest Cd concentration was found in DAP alone. The ammonium bicarbonate-DTPA extractable Cd of post wheat and post rice soils were decreased while the soil pH and immobilization index were increased in all treatments as compared with the control. The present field study highlighted that the DAP + FYM can be effective in increasing yield with decreased Cd concentrations in crop grains.

URI

https://hdl.handle.net/11511/89959

Journal

ARABIAN JOURNAL OF GEOSCIENCES

DOI

https://doi.org/10.1007/s12517-018-3961-0

Collections

Department of Environmental Engineering, Article

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Citation Formats

M. Z. U. Rehman et al., “A field study investigating the potential use of phosphorus combined with organic amendments on cadmium accumulation by wheat and subsequent rice,” ARABIAN JOURNAL OF GEOSCIENCES, pp. 0–0, 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/89959.