THE RESPONSE OF SPINACH (SPINACIA OLERACIA L.) PHYSIOLOGICAL CHARACTERSTICS TO DIFFERENT BIOCHAR TREATMENTS UNDER SALINE CONDITION
文献类型： 外文期刊
作者： Soothar, M. K. 1 ; Kader, Abdoul M. H. 1 ; Sootahar, M. K. 2 ; Yang, G. 1 ; Zain, M. 1 ; Sun, J. 1 ; Panhwar, A. A. 2 ;
作者机构： 1.CAAS, Key Lab Crop Water Requirement & Regulat, Minist Agr, Farmland Irrigat Res Inst, Xinxiang 453003, Henan, Peoples R China
2.Sindh Agr Univ, Dept Soil Sci, Tandojam 70060, Pakistan
3.CAAS, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
4.Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement Microelement, Wuhan, Peoples R China
关键词： crops properties; NP concentration; photosynthesis; saline condition; spinach growth; soil properties
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.711； 五年影响因子：0.797 ）
ISSN： 1589-1623
年卷期： 2021 年 19 卷 3 期
页码：
收录情况： SCI
摘要： Biochar is considered beneficial for plant growth and soil properties under saline condition. A pot experiment was conducted to investigate the effect of acidic biochar on physiological and growth parameters, as well as nutrient concentration of spinach. Five treatments were arranged; Control (CK) without biochar and salt application, Wood Biochar (WB), WB0, WB1, WB2 and WB3 with 0, 15, 30 and 45 g kg-1 biochar, respectively, + 1% salt. Physiological characteristics and growth parameters and total nitrogen (TN) and phosphorus (TP) were determined on 48 and 50 days after sowing respectively. The results showed that the number of leaves, plant height and fresh and dry weights decreased by 58.1, 53.1 and 82.7 and 81.3%, respectively, in WB3 compared to CK. Physiological characteristics of spinach plants were negatively affected by addition of biochar. TN in spinach was lower in WB3 than CK. In contrast, TP uptake was enhanced by 93.8% in WB3 compared to CK. Moreover, biochar addition decreased soil pH and increased soil electrical conductivity (EC), TP and TN increased by 317.4 and 34.5%, respectively in biochar treated soil. We conclude that further studies should be conducted to evaluate the effect of acidic biochar on other crops and soil properties.
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