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Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies
Alternative TitleEffect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies
Zhu Qian; Kong Lingjian; Shan Yuzi; Yao Xingdong; Zhang Huijun; Xie Futi; Ao Xue
2019
Source PublicationJOURNAL OF INTEGRATIVE AGRICULTURE
ISSN2095-3119
Volume18Issue:10Pages:2242-2254
AbstractThis study was conducted with two soybean cultivars, Liaodou 13 (L13, phosphorus (P)-efficient) and Tiefeng 3 (T3, P-inefficient), to investigate the effects of biochar on soybean yield and photosynthetic physiological parameters, at four biochar application rates (0, 1, 5, and 10%, w/w), and two fertilization treatments (0 and 150 kg ha(-1)). Grain yield, plant biomass, P accumulation, leaf net photosynthetic rate (P-n), chlorophyll index (Chl), nitrogen balance index (NBI), sucrose phosphate synthase (SPS), and sucrose synthase (SS) activities, soluble sugar, sucrose and starch contents, and leaf area duration (LAD) were measured. Biochar had positive effects on P-n, Chl, NBI, SPS, and SS activities, and leaf soluble sugar, sucrose, and starch contents of both genotypes, these effects increased with biochar application rate. L13 benefited more efficiently from biochar than T3 did, as the grain yield of L13 significantly increased by 31.0 and 51.0%, at 5 and 10% biochar, respectively, while that of T3 increased by 40.4 at 10% biochar application rate, as compared with controls. The combined application of biochar and fertilizer boosted the positive effects described, but no difference was found for grain yield in L13 among biochar application rates, while grain yield of T3 continually increased with biochar rate, among which, 1% biochar combined with 150 kg ha(-1) fertilizer resulted in T3 yield increment of more than 23%, compared with the application of 150 kg ha(-1) fertilizer alone. Altogether, our results indicated that the application of biochar enhanced carbon assimilation in soybean, resulting in increased biomass accumulation and yield. Differences in genotypic responses to biochar highlight the need to consider specific cultivars and biochar rate, when evaluating the potential responses of crops to biochar.
KeywordSOIL PROPERTIES ORTHO-PHOSPHATE MAIZE YIELD NUTRIENT BIOSYNTHESIS SUNFLOWER AMENDMENT STARCH GROWTH PEANUT biochar P efficiency photosynthesis soybean yield
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Program for Liaoning Excellent Talents in University, China] ; [Natural Science Foundation of Liaoning Province, China] ; [National Key R&D Program of China]
CSCD IDCSCD:6600511
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/142517
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhu Qian,Kong Lingjian,Shan Yuzi,et al. Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies[J]. JOURNAL OF INTEGRATIVE AGRICULTURE,2019,18(10):2242-2254.
APA Zhu Qian.,Kong Lingjian.,Shan Yuzi.,Yao Xingdong.,Zhang Huijun.,...&Ao Xue.(2019).Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies.JOURNAL OF INTEGRATIVE AGRICULTURE,18(10),2242-2254.
MLA Zhu Qian,et al."Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies".JOURNAL OF INTEGRATIVE AGRICULTURE 18.10(2019):2242-2254.
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