Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops

The study evaluates the use of rock dust (RD)-based potting media in enhancing the agronomic performance and nutritional quality of amaranth, kale, and lettuce under controlled environmental conditions. A total of ten growth media formulations, including: 1) 100 % RD (RD), 2) 50 % RD+50 % Topsoil (R...

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Main Authors: Abraham Arma, Linda Alrayes, Thu Huong Pham, Muhammad Nadeem, Charles Manful, Owen Bartlett, Eric Fordjour, Mumtaz Cheema, Lakshman Galagedara, Lord Abbey, Raymond Thomas
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:Current Plant Biology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2214662824001014
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author Abraham Arma
Linda Alrayes
Thu Huong Pham
Muhammad Nadeem
Charles Manful
Owen Bartlett
Eric Fordjour
Mumtaz Cheema
Lakshman Galagedara
Lord Abbey
Raymond Thomas
author_facet Abraham Arma
Linda Alrayes
Thu Huong Pham
Muhammad Nadeem
Charles Manful
Owen Bartlett
Eric Fordjour
Mumtaz Cheema
Lakshman Galagedara
Lord Abbey
Raymond Thomas
author_sort Abraham Arma
collection DOAJ
description The study evaluates the use of rock dust (RD)-based potting media in enhancing the agronomic performance and nutritional quality of amaranth, kale, and lettuce under controlled environmental conditions. A total of ten growth media formulations, including: 1) 100 % RD (RD), 2) 50 % RD+50 % Topsoil (RDT), 3) 50 % RD + 25 % Biochar + 25 % Promix (RBP) 4) 100 % Topsoil (TS), 5) 25 % RD + 75 % Topsoil (RT), 6) Huplaso (negative control), 7) 50 % RD + 25 % compost + 25 % promix (RCP), 8) 50 % RD + 50 % Promix (RP), 9) Promix (P) (Control), and 10) 50 % RD + 50 % Biochar (RB) were evaluated. The addition of RD to media resulted in a significantly higher root-shoot ratio in amaranth and lettuce. The RCP, RBP, and control showed a significant increase (p<0.05) in total biomass (TBM) and the number of leaves in kale and lettuce during crop cycles. The total antioxidant content of lettuce showed a significant increase in RT>RCP>RD over the control P. Lettuce crops grown in RB had the highest consumer preference based on size and overall appearance. Overall, this study demonstrated an increase in total microminerals, fresh weight, total biomass, MUFA (monosaturated fatty acid), protein content, and antioxidants in plant tissue produced using RD-based media amendments. This is supported by the strong association observed between the media quality and the agronomic performance as well as the nutritional composition. The results suggest RD-based amendments (RCP, RBP, RB, and RP) could be used as suitable, sustainable, and cost-effective media amendments for improving the growth and nutritional composition of vegetable crops, limiting the environmental disposal of RD following precious metal mining. Further optimization of the above media would enhance its utility for vegetable production in different crop management systems.
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spelling doaj-art-6f350fa3ee7a44ac97be275b871f41212025-08-20T02:34:20ZengElsevierCurrent Plant Biology2214-66282024-12-014010041910.1016/j.cpb.2024.100419Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural cropsAbraham Arma0Linda Alrayes1Thu Huong Pham2Muhammad Nadeem3Charles Manful4Owen Bartlett5Eric Fordjour6Mumtaz Cheema7Lakshman Galagedara8Lord Abbey9Raymond Thomas10School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, Canada; Corresponding authors.Department of Biology, Faculty of Science, Western University, London, Ontario N6A 5B7, Canada; Corresponding authors.School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaDepartment of Biology, Faculty of Science, Western University, London, Ontario N6A 5B7, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaDepartment of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, Nova Scotia B2N 5E3, CanadaSchool of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, Canada; Department of Biology, Faculty of Science, Western University, London, Ontario N6A 5B7, Canada; Corresponding author at: School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, Newfoundland A2H 5G4, CanadaThe study evaluates the use of rock dust (RD)-based potting media in enhancing the agronomic performance and nutritional quality of amaranth, kale, and lettuce under controlled environmental conditions. A total of ten growth media formulations, including: 1) 100 % RD (RD), 2) 50 % RD+50 % Topsoil (RDT), 3) 50 % RD + 25 % Biochar + 25 % Promix (RBP) 4) 100 % Topsoil (TS), 5) 25 % RD + 75 % Topsoil (RT), 6) Huplaso (negative control), 7) 50 % RD + 25 % compost + 25 % promix (RCP), 8) 50 % RD + 50 % Promix (RP), 9) Promix (P) (Control), and 10) 50 % RD + 50 % Biochar (RB) were evaluated. The addition of RD to media resulted in a significantly higher root-shoot ratio in amaranth and lettuce. The RCP, RBP, and control showed a significant increase (p<0.05) in total biomass (TBM) and the number of leaves in kale and lettuce during crop cycles. The total antioxidant content of lettuce showed a significant increase in RT>RCP>RD over the control P. Lettuce crops grown in RB had the highest consumer preference based on size and overall appearance. Overall, this study demonstrated an increase in total microminerals, fresh weight, total biomass, MUFA (monosaturated fatty acid), protein content, and antioxidants in plant tissue produced using RD-based media amendments. This is supported by the strong association observed between the media quality and the agronomic performance as well as the nutritional composition. The results suggest RD-based amendments (RCP, RBP, RB, and RP) could be used as suitable, sustainable, and cost-effective media amendments for improving the growth and nutritional composition of vegetable crops, limiting the environmental disposal of RD following precious metal mining. Further optimization of the above media would enhance its utility for vegetable production in different crop management systems.http://www.sciencedirect.com/science/article/pii/S2214662824001014Mine tailing wasteSoil amendmentPlant growthVegetable qualityPhytochemicalAntioxidant
spellingShingle Abraham Arma
Linda Alrayes
Thu Huong Pham
Muhammad Nadeem
Charles Manful
Owen Bartlett
Eric Fordjour
Mumtaz Cheema
Lakshman Galagedara
Lord Abbey
Raymond Thomas
Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
Current Plant Biology
Mine tailing waste
Soil amendment
Plant growth
Vegetable quality
Phytochemical
Antioxidant
title Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
title_full Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
title_fullStr Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
title_full_unstemmed Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
title_short Rock dust-based potting media enhances agronomic performance and nutritional quality of horticultural crops
title_sort rock dust based potting media enhances agronomic performance and nutritional quality of horticultural crops
topic Mine tailing waste
Soil amendment
Plant growth
Vegetable quality
Phytochemical
Antioxidant
url http://www.sciencedirect.com/science/article/pii/S2214662824001014
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