Improvement effects of conditioners on properties of acidified-salinized soils and lettuce growth

Chen, Jie; Wenxiao, Wang; Jahan, Mohammad Shan; Guo, Shirong; Sun, Jian; Shu, Sheng

doi:10.1080/01904167.2021.1998523

Cited by 7 publications

(2 citation statements)

References 41 publications

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“…In result, biochar could promote plant photosynthesis and increase crop yield under field conditions 14 . A combination of biochar and vinegar residue also improved lettuce growth and yield, with P n , soluble sugar content, and yield increased by 119.61%, 49.89%, and 64.82%, respectively 15 . Moreover, under environmental stress, biochar could alleviate salt stress by maintaining higher relative leaf water content, a lower sodium ion/potassium ion (Na + /K + ) ratio, and enhanced photosynthesis 16 .…”

Section: Introductionmentioning

confidence: 93%

“…14 A combination of biochar and vinegar residue also improved lettuce growth and yield, with P n , soluble sugar content, and yield increased by 119.61%, 49.89%, and 64.82%, respectively. 15 Moreover, under environmental stress, biochar could alleviate salt stress by maintaining higher relative leaf water content, a lower sodium ion/potassium ion (Na + /K + ) ratio, and enhanced photosynthesis. 16 In acid soil, biochar combined with bottom ash and biogas slurry could promote root growth and improve soybean yield by neutralizing acid soil pH.…”

Section: Introductionmentioning

confidence: 99%

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Long term co‐application of biochar and fertilizer could increase soybean yield under continuous cropping: insights from photosynthetic physiology

Wu,

Zhang,

et al. 2024

J Sci Food Agric

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BackgroundPhotosynthesis is the key to crop yield. The effect of biochar on photosynthetic physiology and soybean yield under continuous cropping is unclear. We conducted a long‐term field experiment to investigate the effects of co‐application of biochar and fertilizer (BCAF) on these parameters. Five treatments were established: F2 (fertilizer), B1F1 (3 t·hm‐2 biochar plus fertilizer), B1F2 (3 t·hm‐2 biochar plus reduced fertilizer), B2F1 (6 t·hm‐2 biochar plus fertilizer), and B2F2 (6 t·hm‐2 biochar plus reduced fertilizer).ResultsBCAF increased chlorophyll and leaf area, enhancing soybean photosynthesis. The net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), water use efficiency (WUE) and intercellular CO2 concentration (Ci) were enhanced by BCAF. In addition, BCAF improved soybean Photosystem II (PSII) photosynthetic performance, driving force, potential photochemical efficiency (Fv/F0), and quantum yield of electron transfer (φE0). Furthermore, BCAF enhanced the accumulation of photosynthetic products, such as soluble proteins, soluble sugars and sucrose content, resulting in higher leaf dry weight. Consequently, BCAF increased the soybean yield, with the highest increase of 41.54% in B2F1. The correlation analysis revealed positive relationships between soybean yield and chlorophyll, leaf area, maximal quantum yield of PSII(Fv/Fm), electron transport fux per cross section at t=0 (ET0/CS0), trapped energy fux per cross section at t=0 (TR0/CS0), composite blade driving force (DFTotal), and leaf dry weight.ConclusionsWe demonstrated that long‐term BCAF enhances soybean photosynthesis under continuous planting, reduces fertilizer use and increases yield. This study reveales a novel way and theory to sustainably increase soybean productivity.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 93%