Application of Corn Straw and Woody Peat to Improve the Absorption and Utilization of 15 N-Urea by Maize

Chenming Lin, Sen Dou, Mahmoud Gamal Mohamed Abd El-Rahim, Xin Liu, Dong Wu, Rui Ma, Yifeng Zhang, Xianbao Yin, Cen Tan and Shuai Xie
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Chenming Lin: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Sen Dou: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Mahmoud Gamal Mohamed Abd El-Rahim: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Xin Liu: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Dong Wu: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Rui Ma: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Yifeng Zhang: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Xianbao Yin: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Cen Tan: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China
Shuai Xie: College of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, China

Sustainability, 2022, vol. 14, issue 2, 1-13

Abstract: Increasing nitrogen fertilizer use efficiency has become an environmental and economic demand in order to minimize losses of nitrogen and maximize the output from nitrogen added. The application of organic amendments with N fertilizers could be proposed as an important economic and environmental practice for improving N fertilizer use. A two-year field experiment was carried out using the 15 N tracer technique to study the impact of corn straw and woody peat application on uptake and utilization of N fertilizer by maize plant. Three treatments were set up: CK ( 15 N labeled urea alone), CS ( 15 N labeled urea + crushed corn straw) and WP ( 15 N labeled urea+ crushed woody peat). The results showed that, as compared to CK, both straw and peat treatments led to (i) an increase in yield of maize, 15 N urea utilization rate, and residual 15 N urea remained in soil by 11.20% and 19.47%, 18.62% and 58.99%, 41.77% and 59.45%, respectively, but (ii) a decrease in the total loss rate by 6.21% and 16.83% ( p < 0.05), respectively over the two seasons. Moreover, the significantly highest effect was recorded with woody peat application rather than that with corn straw. Our study suggests that corn straw and woody peat can be used as organic fertilizers to increase maize yields, promote nitrogen fertilizer balance sheet, reduce the leaching of N fertilizer into the subsurface soil layer, and facilitate the further absorption and utilization of soil residual nitrogen. Therefore, the application of humified organic material play a crucial role in N utilization efficiency enhancement.

Keywords: corn straw; woody peat; 15 N labeling technology; yield; fertilizer nitrogen whereabouts (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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