Extracted rapeseed meal biochar combined with digestate as a soil amendment: Effect on lettuce (Lactuca sativa L.) biomass yield and concentration of bioavailable element fraction in the soil

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13520%2F24%3A43898396" target="_blank" >RIV/44555601:13520/24:43898396 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0304423824002000?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0304423824002000?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.scienta.2024.113041" target="_blank" >10.1016/j.scienta.2024.113041</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Extracted rapeseed meal biochar combined with digestate as a soil amendment: Effect on lettuce (Lactuca sativa L.) biomass yield and concentration of bioavailable element fraction in the soil

Popis výsledku v původním jazyce

Biochar and digestate are widely used as soil amendments as they improve its properties and composition. Thiswork deals with the utilization of two types of locally (Central Europe) produced biowaste, namely extractedrapeseed meal and digestate. Biochar was produced from rapeseed meal, the mixing of which with liquiddigestate resulted in an innovative type of soil amendment that has not been yet studied. The addition of biocharto digestate is expected to stabilize and simplify its safe application and storage. Several variants of soilamendments were tested in a pot experiment carried out on lettuce (Lactuca sativa L.) for few growing seasons.During the experiment, emphasis was placed on determining the bioavailable fraction of elements in the soil.This determination is often missing in current studies, although it brings essential information, since plantsreceive nutrients only in certain bioavailable forms. Furthermore, the effect of soil amendments on the biomassyield biomass, properties and elemental composition of the soil was monitored. The harvested biomass wasdivided into roots and shoots in order to monitor the distribution, translocation and accumulation of the elementsin the plant. The obtained results demonstrated that rapeseed meal biochar itself was the most effectivesoil amendment, as the highest yield of harvested biomass (tenfold higher that the control) was archived. In thistested variant, significant increases in the concentrations of macro and micro nutrients as well as CEC values inthe soil were obtained. The bioavailable fraction of elements did not coincide with the increases in the totalconcentration of elements. The potassium case was an exception, in which its soil bioavailable fraction boosted,and was directly correlated with the higher yield of harvested biomass (R2=0.9223 for shoots, R2=0.9272 forroots). Furthermore, biochar stimulated the accumulation of N, P, K and, conversely, inhibited the transport ofFe, Zn, Na towards the leaves. These outcomes are in harmony with our previous work dealing with the evaluationof rapeseed meal biochar as a suitable soil amendment. However, further investigation by applying thebiochar in real soil/field conditions is required to confirm the obtained conclusions. Finally, the application ofbiochar to soil supports circular economy by the utilization of biomass waste in sustainable agriculture, improvessoil quality, increases crop yield, and reduces the need for industrially produced fertilizers and sorbents.

Název v anglickém jazyce

Extracted rapeseed meal biochar combined with digestate as a soil amendment: Effect on lettuce (Lactuca sativa L.) biomass yield and concentration of bioavailable element fraction in the soil

Popis výsledku anglicky

Biochar and digestate are widely used as soil amendments as they improve its properties and composition. Thiswork deals with the utilization of two types of locally (Central Europe) produced biowaste, namely extractedrapeseed meal and digestate. Biochar was produced from rapeseed meal, the mixing of which with liquiddigestate resulted in an innovative type of soil amendment that has not been yet studied. The addition of biocharto digestate is expected to stabilize and simplify its safe application and storage. Several variants of soilamendments were tested in a pot experiment carried out on lettuce (Lactuca sativa L.) for few growing seasons.During the experiment, emphasis was placed on determining the bioavailable fraction of elements in the soil.This determination is often missing in current studies, although it brings essential information, since plantsreceive nutrients only in certain bioavailable forms. Furthermore, the effect of soil amendments on the biomassyield biomass, properties and elemental composition of the soil was monitored. The harvested biomass wasdivided into roots and shoots in order to monitor the distribution, translocation and accumulation of the elementsin the plant. The obtained results demonstrated that rapeseed meal biochar itself was the most effectivesoil amendment, as the highest yield of harvested biomass (tenfold higher that the control) was archived. In thistested variant, significant increases in the concentrations of macro and micro nutrients as well as CEC values inthe soil were obtained. The bioavailable fraction of elements did not coincide with the increases in the totalconcentration of elements. The potassium case was an exception, in which its soil bioavailable fraction boosted,and was directly correlated with the higher yield of harvested biomass (R2=0.9223 for shoots, R2=0.9272 forroots). Furthermore, biochar stimulated the accumulation of N, P, K and, conversely, inhibited the transport ofFe, Zn, Na towards the leaves. These outcomes are in harmony with our previous work dealing with the evaluationof rapeseed meal biochar as a suitable soil amendment. However, further investigation by applying thebiochar in real soil/field conditions is required to confirm the obtained conclusions. Finally, the application ofbiochar to soil supports circular economy by the utilization of biomass waste in sustainable agriculture, improvessoil quality, increases crop yield, and reduces the need for industrially produced fertilizers and sorbents.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20802 - Bioremediation, diagnostic biotechnologies (DNA chips and biosensing devices) in environmental management

Projekt

<a href="/cs/project/LM2023066" target="_blank" >LM2023066: Nanomateriály a nanotechnologie pro ochranu životního prostředí a udržitelnou budoucnost</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Scientia Horticulturae

ISSN

0304-4238

e-ISSN

1879-1018

Svazek periodika

2024

Číslo periodika v rámci svazku

329

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

12

Strana od-do

1-12

Kód UT WoS článku

001198929000001

EID výsledku v databázi Scopus

—