Biomass can be used as a soil conditioner due to its soil quality
enhancing properties. In this study, walnut shell biochar was produced at 500
°C and mixed with three different doses of soil, including biochar (g):toprak
(kg) ratio are 5, 10 and 20. The obtained soil-biochar mixtures were incubated
for 3, 8 and 12 weeks. Electrical conductivity, pH measurements, cation
exchange capacity (CEC) and water holding capacity (WHC) were carried out to
characterize soil samples at the end of incubation periods. The amount of
nitrogen was determined by Kjeldahl method and Scanning Electron
Microscope-Energy-Dispersive X-Ray (SEM-EDX) was used to specify the amount of
inorganic substance in soil. The biochar with high carbon content and porous
structure significantly reduced the pH and electrical conductivity values of
the soil and increased the nitrogen amount. While the water holding capacity
for the soil is determined as approximately 0.55 g/g, it is seen that this
value increases to 0.60 g/g in the biochar-soil mixture. When the effect of
biochar on plant growth was examined, it was determined that the most efficient
result was obtained from 5 g of biochar/1 kg soil mixture.
Primary Language | Turkish |
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Subjects | Engineering |
Journal Section | Articles |
Authors | |
Publication Date | September 30, 2019 |
Submission Date | May 29, 2019 |
Acceptance Date | September 8, 2019 |
Published in Issue | Year 2019 Volume: 6 |