Response of Amaranthus Cruentus to Some Amendments on a Sandy-Loam Alfisol Contaminated by Heavy Metals

Authors

  • Modupe Mary Okunlola university of Ibadan
  • Ezekiel Akinkunmi Akinrinde Department of Agronomy University of Ibadan, Ibadan

Keywords:

Contamination, Heavy metals, Amaranth, Industrial waste, Metal uptake, Fertilizers

Abstract

Indiscriminate dumping of industrial wastes often leads to heavy metal accumulation in soils but organic matter amendments may ameliorate the resulting toxicity in crop production. This study evaluated the effectiveness of eight fertilizer treatments (Control; Urea, U; Organic Fertilizer, OF; Single Superphosphate, SSP; SSP+U; OF+U and OF+SSP; OF +SSP+U) in reducing heavy metal uptake by Amaranthus cruentus (L) on contaminated alfisols .Treatments were replicated three times in  completely randomized design. Sole and combined treatments (organic and/or inorganic) significantly (p<0.05) enhanced crop performance while heavy metal tissue concentration and uptake by plants were low compared to Control. Plants treated with OF+U gave the least concentration of tissue Pb (647.00 mg/kg), Zn (198.50 mg/kg) and Cu (16.50 mg/kg) while control plants had the highest corresponding values of  2562.50 mg/kg, 695.00 mg/kg and 66.00 mg/kg. Mineral fertilizer-fortified organic manures have great potential in the production of amaranth plants devoid of heavy metal poisoning.

 

Author Biography

Modupe Mary Okunlola, university of Ibadan

AgronDepartment of Agronomy,University of Ibadan.

StAgronomy

Student

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Published

2013-12-12

How to Cite

Okunlola, M. M., & Akinrinde, E. A. (2013). Response of Amaranthus Cruentus to Some Amendments on a Sandy-Loam Alfisol Contaminated by Heavy Metals. Asian Journal of Agriculture and Food Sciences, 1(5). Retrieved from https://ajouronline.com/index.php/AJAFS/article/view/430