施用生物炭 4 年后对某些土壤特性的影响及其对在碱性土壤上种植的小麦的生长、产量和养分吸收的影响

IF 2.1 4区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES Rendiconti Lincei-Scienze Fisiche E Naturali Pub Date : 2024-01-17 DOI:10.1007/s12210-023-01221-w
İbrahim Erdal, Pelin Alaboz, Kamil Ekinci, Şevkiye Armağan Türkan, Cennet Yaylacı, Aykut Şener
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引用次数: 0

摘要

摘要 本研究调查了生物沼渣在施用4年后对一些土壤特性、植物生长、养分浓度和吸收的影响。2017年,在300、500和700 °C的热解温度下生产的生物碳以30吨/公顷-1的比例施用于微地块。在 2020-2021 年的生长季节,在播种小麦前对微地块进行基肥施用。结果表明,施用生物炭对土壤 pH 值、EC 值和 CaCO3 没有显著影响,但增加了阳离子交换容量和有机质含量。可用养分浓度总体上没有受到积极影响。施用生物炭提高了植物生长和秸秆产量,但谷物产量却下降了。此外,秸秆和谷物养分浓度并不随生物炭的施用而变化,但总养分吸收量有所增加。土壤固碳潜力与总产量之间呈正相关。此外,研究还发现,施用生物炭对土壤物理特性的影响并没有产生显著变化。根据主成分分析,发现影响最小的属性是土壤的导电率。研究结果表明,生物炭并不能通过向土壤提供养分或增加可用养分的数量来直接影响植物的生长;但是,生物炭可以通过改善某些土壤特性来刺激植物生长。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Effect of biochar on some soil properties after 4-year application and its effect on growth, yield and nutrient uptake of wheat grown on an alkaline soil

Abstract

This study investigated the impact of biochars on some soil properties, plant growth, nutrient concentrations and uptakes after a 4-year application. Biochars produced at pyrolysis temperatures of 300, 500, and 700 °C were applied to the microplots at a rate of 30 t ha−1 in 2017. In 2020–2021 growing season, basal fertilizations were applied to the microplots before sowing wheat. The results showed that biochar applications had no significant effect on soil pH, EC, and CaCO3, although they increased cation exchange capacity and organic matter content. Available nutrient concentrations were not affected positively in general. While biochar applications enhanced vegetative growth and the straw yield, the grain yield decreased. Moreover, straw and grain nutrient concentrations did not vary with biochar applications, but the total nutrient uptake increased. Positive correlations were determined between the carbon sequestration potential of the soils and total yield. In addition, it was revealed that the effect of biochar applications on soil physical properties did not create a significant variation. According to the principal component analysis, the properties with the lowest effect were found to be EC of the soils. Findings from this study indicated that biochar did not directly affect plant growth by providing nutrients to the soil or increasing the amount of available nutrients; however, it can stimulate plant growth by improving some soil characteristics.

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来源期刊
Rendiconti Lincei-Scienze Fisiche E Naturali
Rendiconti Lincei-Scienze Fisiche E Naturali MULTIDISCIPLINARY SCIENCES-
CiteScore
4.10
自引率
10.00%
发文量
70
审稿时长
>12 weeks
期刊介绍: Rendiconti is the interdisciplinary scientific journal of the Accademia dei Lincei, the Italian National Academy, situated in Rome, which publishes original articles in the fi elds of geosciences, envi ronmental sciences, and biological and biomedi cal sciences. Particular interest is accorded to papers dealing with modern trends in the natural sciences, with interdisciplinary relationships and with the roots and historical development of these disciplines.
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