Soil acidity, available phosphorus content, and optimal biochar and nitrogen fertilizer application rates: A five-year field trial in upland red soil, China

• Published in: Field crops research Vol. 232; pp. 77 - 87
• Main Authors: Jin, Zewen, Chen, Can, Chen, Xiaomin, Jiang, Fei, Hopkins, Isaac, Zhang, Xiaoling, Han, Zhaoqiang, Billy, Grace, Benavides, Jhony
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.02.2019
• Subjects: Available phosphorus; Biochar; Crop yields; Optimal biochar and nitrogen fertilizer application rate; Soil pH; Available phosphorus; Soil pH; Crop yields; Optimal biochar and nitrogen fertilizer application rate; Biochar

[Display omitted] •Long-term effects of biochar and fertilizer N on crop yields were studied.•Biochar combined with fertilizer N showed a strong positive effect on crop yields.•The regression models were built to forecast the highest yield and net income.•Low application rate of biochar can create h...