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Analysis of Bulk Density and Porosity in 12 Growth Cylinder Substrates

This study investigates the bulk density (BD) and porosity of twelve different substrates utilized in growth cylinder experiments. Conducted by Lynn, Susu, and Machiel under the guidance of instructors Andronikos Mauromoustakos and Athanasios Gertsis, the analysis explores how these properties correlate. Findings indicate that as bulk density increases, porosity decreases, signifying a linear relationship. The study also highlights the influence of additives like vermiculite and zeolite on the substrate characteristics, contributing to optimal soil performance.

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Analysis of Bulk Density and Porosity in 12 Growth Cylinder Substrates

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  1. Analyzing the differences in the properties (Bulk Density and Porosity) of the 12 substrates used in the Growth cylinders experiment. Made by: Lynn, Susu and Machiel Instructors: Andronikos Mauromoustakos Athanasios Gertsis

  2. Introduction • What did we analyze? • Why did we do this analyzes? • How did we get the bulk density and porosity data?

  3. SUBSTRATEBD PORO. PP 0.12 0.96 PPZ 0.41 0.85 PPV 0.12 0.95 PPV 0.2 0.93 PPZ 0.28 0.89 PP 0.12 0.95 MS 1.2 0.55 MSZ 1.06 0.6 MSV 0.77 0.71 MSV 0.84 0.68 MSZ 0.72 0.73 MS 1.18 0.56 SUBSTRATEBD PORO. Sa 1.39 0.48 SaZ 1.35 0.49 SaV 1.17 0.56 SaV 1.2 0.55 SaZ 1.4 0.47 Sa 1.41 0.47 So 1.09 0.59 SoZ 1.32 0.5 SoV 1.15 0.57 SoV 0.95 0.64 SoZ 0.94 0.65 So 1.04 0.61 Substrates data

  4. The view of the AGRO experiment Growth cylinders with the different kind substrates

  5. Distribution of bulk density and porosity

  6. Multivariate Correlations BD 1.0000 -0.9998 Porosity -0.9998 1.0000 Correlation

  7. Is BD a function of porosity?! Yes, it is!

  8. Substrate Base Peat+perlite Peat+P. Peat+perlite+Zeolite Peat+P. Peat+perlite+Vermiculite Peat+P. Peat+perlite+Vermiculite Peat+P. Peat+perlite+Zeolite Peat+P. Peat+perlite Peat+P. Manure+Sand Manure+S. Manure+Sand+Zeolite Manure+S. Manure+Sand+vermiculite Manure+S. Manure+Sand+vermiculite Manure+S. Manure+Sand+Zeolite Manure+S. Manure+Sand Manure+S. Substrate Base Sand Sand Sand+zeolite Sand Sand+vermiculite Sand Sand+vermiculite Sand Sand+zeolite Sand Sand Sand Soil Soil Soil+Zeolite Soil Soil+vermiculite Soil Soil+vermiculite Soil Soil+Zeolite Soil Soil Soil Analyzingby bases of the substrates

  9. One way analysis of BD by substrate

  10. One way analysis of porosity by substrate

  11. Analyzing the base: Peat +Perlite

  12. Analyzing the base:“Manure + Sand”

  13. Analyzing the base: Sand

  14. Analyzing the base: Soil

  15. Conclusions BD is a function of theporosity. So this means that when the BD is high the porosity is low and when the porosity is high BD is low. When you plot this function you get a linear line.

  16. Affects of vermiculite • Vermiculite improves the porosity in soils with “sandy base”. • Vermiculite improves the BD in soils with a “peat and perlite base”. • Vermiculite improves the porosity in soils with a “manure and sand base” • Vermiculite improves the porosity in soils with a “ clay loam base”

  17. Affects of Zeolite • Zeolite improves the porosity in soils with “sandy base”. • Zeolite improves the BD in soils with a “peat and perlite base”. • Zeolite improves the porosity in soils with a “manure and sand base” • Zeolite improves the porosity in soils with a “ clay loam base”

  18. Which group is the best? We think the substrates with the are the best, because this substrates doesn't have great significant difference. “Soil base’s”

  19. Thanks for your attention ;-) Susu Lynn Machiel

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