What question did this study set out to answer?

To evaluate the bioavailability of essential and trace elements from soil amended with source-separated municipal solid waste compost, as well as its effects on Swiss chard and basil growth.

March 1, 2004Journal of Environmental Quality

Source‐Separated Municipal Solid Waste Compost Application to Swiss Chard and Basil

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Authors

VZValtcho D. ZheljazkovOregon State University PWPhilip R. WarmanNova Scotia Department of Agriculture

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Implication

Growth room experiment demonstrates municipal solid waste compost enhances crop yields without heavy metal phytotoxicity in basil and chard, suggesting viability as an agricultural soil conditioner.

Key Points

To evaluate the bioavailability of essential and trace elements from soil amended with source-separated municipal solid waste compost, as well as its effects on Swiss chard and basil growth.
Cultivated basil (Ocimum basilicum) and Swiss chard (Beta vulgaris) in sandy loam soil amended with 0%, 20%, 40%, and 60% source-separated municipal solid waste compost by volume in a controlled growth room.
Performed sequential chemical extractions on soil and compost to determine Cu, Pb, and Zn distribution across exchangeable, iron- and manganese-oxide-bound, organic-matter-bound, and structurally bound fractions, alongside measuring soil pH, electrical conductivity, and basil essential oil composition.
Compost amendment increased soil pH, electrical conductivity, and total concentrations of Cu, Pb, and Zn across all soil fractions, with the exception of exchangeable Pb.
Swiss chard yields increased across all compost amendment rates compared to unamended soil, whereas basil yields peaked under the 20% compost treatment and showed earlier flowering in the 20% and 40% treatments.
Basil essential oil profiles shifted with compost addition, but extracted oils remained completely free of heavy metal contamination.

Cite This Study

Zheljazkov et al. (2004) studied this question.

synapsesocial.com/papers/6a8140619ec2426b2722e2b4 https://doi.org/10.2134/jeq2004.5420

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Implication

Growth room experiment demonstrates municipal solid waste compost enhances crop yields without heavy metal phytotoxicity in basil and chard, suggesting viability as an agricultural soil conditioner.

Source‐Separated Municipal Solid Waste Compost Application to Swiss Chard and Basil

Discussion

Member takes

Implication

Key Points

Cite This Study

Source‐Separated Municipal Solid Waste Compost Application to Swiss Chard and Basil

Discussion

Member takes

Implication

Key Points

Cite This Study

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