Supriatin, Supriatin (2023) SImilarity Check " Lime-enhanced phytoextraction of copper and zinc by land spinach (Ipomoea reptans Poir.) from tropical soils contaminated with heavy metals". -. (Unpublished)

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Abstract

Phytoextraction and liming were suggested to decrease the concentrations of heavy metals in contaminated soils. This research was to study the effects of liming and phytoextraction by land spinach in lowering the soil concentrations of Cu and Zn in heavy-metal contaminated tropical soils. Soil samples collected from a 22-years-old experimental field one- time amended with heavy-metal-containing waste at 0-60 Mg ha−1 were treated with lime at 0-5 Mg ha−1 and planted with land spinach in a glass-house experiment. After 4 weeks the soil and plant Cu and Zn were analyzed. The results show that the 60 Mg waste ha−1 significantly increased the soil concentrations of Cu and Zn and depressed the land spinach growth. Land spinach slightly lowered the soil concentrations of Cu and Zn in unlimed soils at waste levels ≤15 Mg ha−1. Liming significantly lowered the soil concentrations of Cu and Zn and improved the growth and Cu-Zn uptake of land spinach but attenuated the effect of land spinach in decreasing the soil concentrations of Cu and Zn. The Cu-Zn uptake of land spinach was well-correlated with the soil concentrations of Cu and Zn.

Item Type:	Other
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Fakultas Pertanian (FP) > Prodi Ilmu Tanah
Depositing User:	Supriatin . Supriatin
Date Deposited:	08 Apr 2023 13:26
Last Modified:	08 Apr 2023 13:26
URI:	http://repository.lppm.unila.ac.id/id/eprint/49859

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