Combined effects of straw-derived biochar and bio-based polymer-coated urea on nitrogen use efficiency and cotton yield

Q3 Chemical Engineering Chemical Speciation and Bioavailability Pub Date : 2018-01-01 DOI:10.1080/09542299.2018.1518730
Xiaojing Yu, Xiaofei Tian, Yanyan Lu, Zhiguang Liu, Yanle Guo, Jianqiu Chen, Chengliang Li, Min Zhang, Y. Wan
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引用次数: 10

Abstract

ABSTRACT The interactive effects of straw-derived biochar and bio-based polymer-coated urea (BPCU) was examined with a pot experiment conducted in 2014 and 2015. Using a split-plot design, the main plot factor was the form of straw use and the sub-plot factor was the type of N fertilizer. The soil inorganic nitrogen (N), organic carbon and lint yield of biochar treatments were significantly higher than for straw treatments. Meanwhile, the BPCU treatments enhanced nitrogen use efficiency (NUE) and yield over urea treatments. Biochar combined with BPCU resulted in the highest lint yield, 14.3–108.2% increasing over the other treatments, with NUE 27.1–63.5% increased. We attributed this superior performance to the interactive effects between BPCU’s controlled supply of N according to cotton’s N requirements and biochar’s functionalities in enhancing soil quality. Thus, the application of biochar and BPCU is a sustainable strategy to improve soil quality and increase cotton yield.
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秸秆生物炭和生物基聚合物包膜尿素对氮素利用效率和棉花产量的联合效应
摘要通过2014年和2015年的盆栽试验,研究了秸秆生物炭和生物基聚合物包膜尿素(BPCU)的相互作用。采用分块设计,主要小区因子为秸秆利用形式,次要小区因子为氮肥类型。生物炭处理的土壤无机氮、有机碳和皮棉产量显著高于秸秆处理。同时,与尿素处理相比,BPCU处理提高了氮利用效率和产量。生物炭与BPCU组合的皮棉产量最高,比其他处理增加14.3-108.2%,NUE增加27.1-63.5%。我们将这种优异的性能归因于BPCU根据棉花的氮需求控制的氮供应与生物炭在提高土壤质量方面的功能之间的相互作用。因此,应用生物炭和BPCU是改善土壤质量和提高棉花产量的可持续策略。
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来源期刊
CiteScore
1.62
自引率
0.00%
发文量
0
审稿时长
1 months
期刊介绍: Chemical Speciation & Bioavailability ( CS&B) is a scholarly, peer-reviewed forum for insights on the chemical aspects of occurrence, distribution, transport, transformation, transfer, fate, and effects of substances in the environment and biota, and their impacts on the uptake of the substances by living organisms. Substances of interests include both beneficial and toxic ones, especially nutrients, heavy metals, persistent organic pollutants, and emerging contaminants, such as engineered nanomaterials, as well as pharmaceuticals and personal-care products as pollutants. It is the aim of this Journal to develop an international community of experienced colleagues to promote the research, discussion, review, and spread of information on chemical speciation and bioavailability, which is a topic of interest to researchers in many disciplines, including environmental, chemical, biological, food, medical, toxicology, and health sciences. Key themes in the scope of the Journal include, but are not limited to, the following “6Ms”: Methods for speciation analysis and the evaluation of bioavailability, especially the development, validation, and application of novel methods and techniques. Media that sustain the processes of release, distribution, transformation, and transfer of chemical speciation; of particular interest are emerging contaminants, such as engineered nanomaterials, pharmaceuticals, and personal-care products. Mobility of substance species in environment and biota, either spatially or temporally. Matters that influence the chemical speciation and bioavailability, mainly environmentally relevant conditions. Mechanisms that govern the transport, transformation, transfer, and fate of chemical speciation in the environment, and the biouptake of substances. Models for the simulation of chemical speciation and bioavailability, and for the prediction of toxicity. Chemical Speciation & Bioavailability is a fully open access journal. This means all submitted articles will, if accepted, be available for anyone to read, anywhere, at any time. immediately on publication. There are no charges for submission to this journal.
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