Table 3 Evidence of trace metals in crops harvested from soil treated with organic materials

Agaricus bisporus

Cr, Mn, Co and Zn

Chicken compost

[121]

Lycopersicum esculentus

Cd and Hg

Cowdung

[122]

Cucumis sativus

Cd, Cu, Pb and Zn

Green manure and compost

[97]

Lactuca sativa

Mn, Zn, Cu and Hg

Shrimp farm effluents

[123]

Spinacia oleracea

Cd, Pb and Zn

Wastewater and sludge, paper mill sewage, municipal solid waste

[124,125,126,127]

Vigna unguiculata

Cd, Pb, Cr, Zn and Cu

Waste dump soil

[128]

Raphanus raphanistrum

Se, As and Zn

Municipal solid waste

[129]

Brassica oleracea

Cr, Ni, Cu, Zn, Mo, Cd and Pb

Sewage sludge and chicken Manure

[130]

Brassica oleracea L. var. Botrytis

Pb and Cd

Brewery sludge

[131]

Beta vulgaris L.

Cd, Pb and Zn

Wheat straw and municipalities wastewater

[132]

Abelmoschus esculentus

Pb

Battery recycling waste

[133]

Capsicum annuum

Zn

Treated urban sewage

Yardwaste, sewage sludge and chicken manure

[134]

[135]

Allium cepa L.

Zn

Home garden

[136]

Allium fistulosum

Cd and Pb

Urban waste

[137]