N2 fixation, grain mineral accumulation, and water-use efficiency in 30 field-grown groundnut (Arachis hypogaea L.) genotypes in Mpumalanga, South Africa, measured using 15N and 13C natural abundance techniques
African soils are inherently low in mineral nutrients. Incorporating N2-fixing legumes into cropping systems can improve soil fertility and increase crop yields. This study assessed N2 fixation, carbon assimilation, grain mineral accumulation and water-use efficiency of 30 groundnut genotypes grown...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2025-06-01
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| Series: | Frontiers in Agronomy |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fagro.2025.1483741/full |
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