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Liming improves wheat nutrient use efficiency, yield, and quality on acid soils in Ethiopia

Publiceringsår

2024

Upphovspersoner

Ylivainio, Kari; Leta, Refissa; Esala, Martti; Jauhiainen, Lauri; Peltovuori, Tommi; Chernet, Tegist

Abstrakt

Soil acidity is a major constraint for food production in the Highlands of Ethiopia, the main cereal growing area. We conducted two field trials in nutrient-poor, acidic fields in the Highlands of Ethiopia to evaluate the effects of dolomitic lime at rates of 0, 6 and 12 t ha−1 on the utilization of commonly used phosphorus (P) and nitrogen (N) fertilizers. Blended fertilizer (at a liming rate of 12 t ha−1), containing potassium (K), sulfur (S), zinc (Zn) and boron (B) were also evaluated. The liming rate of 12 t ha−1 improved the utilization of P fertilizer most and only 20 kg P ha−1 was needed to reach 90% of the maximum wheat yield in soils with a high P sorption capacity. Liming and P fertilization, increased the N use efficiency from 0 to 30%, whereas the P use efficiency increased from 3 to 25%. Liming also increased the concentrations of calcium (Ca), magnesium (Mg), sulfur (S), molybdenum (Mo) and Zn and retained the concentration of copper (Cu) in wheat grain at a higher level than in unlimed treatments. This indicates that even high liming rates did not depress the utilization of nutrients from fertilizers, lime or soil. Regarding harmful heavy metals, liming reduced the nickel (Ni) concentration in wheat to about half of that in unlimed treatments. This study demonstrated how liming was a prerequisite for improving the quantity and quality of wheat growing in the acidic soils of the Ethiopian Highlands.
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Organisationer och upphovspersoner

Helsingfors universitet

Ylivainio Kari

Peltovuori Tommi

Naturresursinstitutet

Ylivainio Kari Orcid -palvelun logo

Jauhiainen Lauri Orcid -palvelun logo

Esala Martti

Publikationstyp

Publikationsform

Artikel

Moderpublikationens typ

Tidning

Artikelstyp

En originalartikel

Målgrupp

Vetenskaplig

Kollegialt utvärderad

Kollegialt utvärderad

UKM:s publikationstyp

A1 Originalartikel i en vetenskaplig tidskrift

Publikationskanalens uppgifter

Moderpublikationens namn

Nutrient Cycling in Agroecosystems

Förläggare

Springer Nature

Volym

129

Sidor

167-183

Publikationsforum

64305

Publikationsforumsnivå

1

Öppen tillgång

Öppen tillgänglighet i förläggarens tjänst

Ja

Öppen tillgång till publikationskanalen

Delvis öppen publikationskanal

Licens för förläggarens version

CC BY

Parallellsparad

Ja

Övriga uppgifter

Vetenskapsområden

Geovetenskaper; Hälsovetenskap; Jordbruksvetenskap

Nyckelord

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Publiceringsland

Nederländerna

Förlagets internationalitet

Internationell

Språk

engelska

Internationell sampublikation

Ja

Sampublikation med ett företag

Nej

DOI

10.1007/s10705-024-10369-2

Publikationen ingår i undervisnings- och kulturministeriets datainsamling

Ja