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      Biochar derived from corn straw affected availability and distribution of soil nutrients and cotton yield

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          Abstract

          Biochar application as a soil amendment has been proposed as a strategy to improve soil fertility and increase crop yields. However, the effects of successive biochar applications on cotton yields and nutrient distribution in soil are not well documented. A three-year field study was conducted to investigate the effects of successive biochar applications at different rates on cotton yield and on the soil nutrient distribution in the 0–100 cm soil profile. Biochar was applied at 0, 5, 10, and 20 t ha -1 (expressed as Control, BC5, BC10, and BC20, respectively) for each cotton season, with identical doses of chemical fertilizers. Biochar enhanced the cotton lint yield by 8.0–15.8%, 9.3–13.9%, and 9.2–21.9% in 2013, 2014, and 2015, respectively, and high levels of biochar application achieved high cotton yields each year. Leaching of soil nitrate was reduced, while the pH values, soil organic carbon, total nitrogen (N), and available K content of the 0–20 cm soil layer were increased in 2014 and 2015. However, the changes in the soil available P content were less substantial. This study suggests that successive biochar amendments have the potential to enhance cotton productivity and soil fertility while reducing nitrate leaching.

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          Most cited references49

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          Nitrogen losses from the soil/plant system: a review

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            Surface chemistry variations among a series of laboratory-produced biochars

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              Biochar-mediated changes in soil quality and plant growth in a three year field trial

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                Author and article information

                Contributors
                Role: Data curationRole: Writing – original draft
                Role: Data curationRole: Project administrationRole: Resources
                Role: Funding acquisitionRole: Project administrationRole: Resources
                Role: ResourcesRole: Writing – review & editing
                Role: Data curationRole: Resources
                Role: Project administrationRole: Resources
                Role: Data curationRole: MethodologyRole: Resources
                Role: Editor
                Journal
                PLoS One
                PLoS ONE
                plos
                plosone
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                11 January 2018
                2018
                : 13
                : 1
                : e0189924
                Affiliations
                [1 ] National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, National Engineering Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai’an, Shandong, China
                [2 ] Soil and Water Science Department, Tropical Research & Education Center, University of Florida, Homestead, Florida, United States of America
                [3 ] Jining Academy of Agricultural Sciences, Jining, Shandong, China
                RMIT University, AUSTRALIA
                Author notes

                Competing Interests: Min Zhang is the technical advisor on controlled release fertilizers of Kingenta Ecological Engineering Group Co., Ltd. and Min Zhang is a member of the scientific advisory board for Sate Key Laboratory of Nutrition Resources Integrated Utilization (China) and this Laboratory is established by Kingenta Ecological Engineering Group Co., Ltd. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

                Author information
                http://orcid.org/0000-0001-5973-6109
                Article
                PONE-D-17-11671
                10.1371/journal.pone.0189924
                5764240
                29324750
                bca6578a-21c7-4654-a9ce-5b1ea1d02964
                © 2018 Tian et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 25 March 2017
                : 5 December 2017
                Page count
                Figures: 4, Tables: 7, Pages: 19
                Funding
                Funded by: National Key Research and Development Program of China
                Award ID: 2017YFD0201901 and 2017YFD0200706
                Award Recipient :
                Funded by: Natural Science Foundation of China
                Award ID: Grant no. 41571236 and 21377074
                Award Recipient :
                This research was financially supported by the National Key Research and Development Program of China (2017YFD0201901 and 2017YFD0200706) and the Natural Science Foundation of China (Grant no. 41571236 and 21377074).
                Categories
                Research Article
                Biology and Life Sciences
                Agriculture
                Agricultural Soil Science
                Ecology and Environmental Sciences
                Soil Science
                Agricultural Soil Science
                Biology and Life Sciences
                Organisms
                Eukaryota
                Plants
                Flowering Plants
                Cotton
                Ecology and Environmental Sciences
                Soil Science
                Edaphology
                Research and Analysis Methods
                Experimental Organism Systems
                Model Organisms
                Maize
                Research and Analysis Methods
                Model Organisms
                Maize
                Biology and Life Sciences
                Organisms
                Eukaryota
                Plants
                Grasses
                Maize
                Research and Analysis Methods
                Experimental Organism Systems
                Plant and Algal Models
                Maize
                Biology and Life Sciences
                Agriculture
                Agrochemicals
                Fertilizers
                Biology and Life Sciences
                Agriculture
                Crop Science
                Crops
                Cereal Crops
                Biology and Life Sciences
                Agriculture
                Crop Science
                Crops
                Fiber Crops
                Biology and Life Sciences
                Agriculture
                Crop Science
                Crops
                Custom metadata
                The authors confirm that all data underlying the findings are fully available without restriction. All relevant data are within the paper and its Supporting Information files.

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