Variation in carbon isotope composition of plants across an aridity gradient on the Loess Plateau, China

Yang, Yanzheng; Gou, Ruikun; Jing, Zhao; Qi, Ning; Wen, Zhu; Kassout, Jalal; Li, Ruonan; Lin, Guanghui; Zheng, Hua

doi:10.1016/j.gecco.2021.e01948

Cited by 3 publications

(1 citation statement)

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“…Like our findings at R3 growth stage in soybean, Zhao et al [50] also reported that no significant difference existed in C isotope discrimination and corresponding WUE g at wheat harvest time. Also, Yang et al [51] reported no clear significance differences in the amount of carbon isotope composition among C3 plants in the Yellow River region in China. For the case of Ruace in 2018 a negative relationship was observed between 13 C isotope discrimination and WUE g .…”

Section: C Isotope Discrimination and Water Use Efficiencymentioning

confidence: 98%

Inoculant Formulation and Application Determine Nitrogen Availability and Water Use Efficiency in Soybean Production

Savala¹,

Chikoye²,

Kyei-Boahen³

2022

Soybean - Recent Advances in Research and Applications

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Inoculation of suitable rhizobia enhances biological nitrogen fixation in soybean production and are economically viable for use among smallholder farmers due to its low price over inorganic commercial fertilizer blends. In Mozambique, inoculants are available in liquid or solid form (powder/peat or granular). Field studies were conducted in 2017 and 2018 seasons in three agroecologies (Angonia, Nampula and Ruace) in Mozambique to evaluate the performance of inoculants when applied directly to soil and on seed before planting. Data on nodulation, plant growth, nitrogen fixed, 13C isotope discrimination related water use efficiency, yield and yield components were analyzed in Statistical Analysis System® 9.4. Nodulation, yield, and yield components were significant for the different application methods, and solid form tended to be better than liquid form. The nitrogen derived from atmosphere (%Ndfa) were 45.3%, 44.2% and 43.6% with a yield of 2672, 1752 and 2246 kg ha−1 for Angonia, Nampula and Ruace, respectively. Overall, inoculants applied on soil or seed increase the amount of biologically fixed nitrogen and has the potential of improving soybean productivity in Mozambique.

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Section: C Isotope Discrimination and Water Use Efficiencymentioning

confidence: 98%