Trends in grain yields and soil organic C in a long-term fertilization experiment in the China Loess Plateau

文献类型： 外文期刊

第一作者： Xu, Minggang

作者： Xu, Minggang;Fan, Tinglu;Song, Shangyou;Fan, Tinglu;Zhou, Guangye;Ding, Linping

作者机构：

关键词： corn;grain yield;long-term fertilization;soil organic carbon;wheat;China Loess Plateau;LIGHT-FRACTION;MANAGEMENT;CARBON;MATTER;DYNAMICS;CROP

期刊名称：JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE （ 影响因子：2.426； 五年影响因子：3.029 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Changes in grain yields and soil organic carbon (SOC) from a 26 y dryland fertilization trial in Pingliang, Gansu, China, were recorded. Cumulative C inputs from straw and root and manure for fertilizer treatments were estimated. Mean wheat (Triticum aestivum L.) yields for the 18 y ranged from 1.72 t ha(-1) for the unfertilized plots (CK) to 4.65 t ha(-1) for the plots that received manure (M) annually with inorganic N and P fertilizers (MNP). Corn (Zea mays L.) yields for the 6 y averaged 2.43 and 5.35 t h(-1) in the same treatments. Yields declined with year except in the CK for wheat. Wheat yields for N only declined with time by 117.8 kg ha(-1) y(-1) that was the highest decrease among all treatments, and that for NP declined by 84.7 kg ha(-1) y(-1), similar to the declines of 77.4 kg ha(-1) y(-1) for the treatment receiving straw and N annually and P every second year (SNP). Likewise, the corn yields declined highly for all treatments, and the declined amounts ranged from 108 to 258kg ha(-1) y(-1) which was much higher than in wheat. These declined yields were mostly linked to both gradual dry weather and nutrients depletion of the soil. The N only resulted in both P and K deficiency in the soil, and soil N and K negative balances in the NP and MNP were obvious. Soil organic carbon (SOC) in the 0-20cm soil layer increased with time except in the CK and N treatments, in which SOC remained almost stable. In the MNP and M treatments, 24.7% and 24.0% of the amount of cumulative C input from organic sources remained in the soil as SOC, but 13.7% of the C input from straw and root in the SNP, suggesting manure is more effective in building soil C than straw. Across the 26 y cropping and fertilization, annual soil-C sequestration rates ranged from 0.014 t C h(-1) y(-1) for the CK to 0.372 t C ha(-1) y(-1) for the MNR We found a strong linear relationship (R-2 = 0.74, p = 0.025) between SOC sequestration and cumulative C input, with C conversion-to-SOC rate of 16.9%, suggesting these dryland soils have not reached an upper limit of C sequestration.

分类号： S1

  • 相关文献

[1]Long-term fertilization effects on grain yield, water-use efficiency and soil fertility in the dryland of Loess Plateau in China. Fan, TL,Stewart, BA,Yong, W,Luo, JJ,Zhou, GY. 2005

[2]Grain yield and water use in a long-term fertilization trial in Northwest China. Fan, TL,Wang, SY,Tang, XM,Luo, JJ,Stewart, BA,Gao, YF. 2005

[3]The trend of soil organic carbon, total nitrogen, and wheat and maize productivity under different long-term fertilizations in the upland fluvo-aquic soil of North China. Yang, Jun,Ren, Shun-rong,Liu Hailong.

[4]Soil organic carbon, total nitrogen and grain yields under long-term fertilizations in the upland red soil of southern China. Zhang, Wenju,Xu, Minggang,Wang, Boren,Wang, Xiujun.

[5]Effects of inorganic fertilizer inputs on grain yields and soil properties in a long-term wheat-corn cropping system in south China. Zhang, Huimin,Wang, Boren,Xu, Minggang,Zhang, Huimin,Wang, Boren,Xu, Minggang,Zhang, Huimin. 2008

[6]Developing a photosynthetic sterility model to estimate CO2 fixation through the crop yield in Asia with the aid of MODIS data. Kaneko, Daijiro,Yeh, P. J. -F.,Kumakura, Toshiro,Yang, Peng. 2010

[7]Nitrogen balance and groundwater nitrate contamination: Comparison among three intensive cropping systems on the North China Plain. Ju, XT,Kou, CL,Zhang, FS,Christie, P.

[8]Carbon and nitrogen allocations in corn grown in Central and Northeast China: different responses to fertilization treatments. Mia Hui-tian,Lu Jia-long,Mia Hui-tian,Xu Ming-gang,Zhang Wen-ju,Huang Shao-min,Peng Chang,Chen Li-ming. 2015

[9]Effect of 15-Year-Long Fertilization on Potassium Quantity/Intensity Relationships in Black Soil in Northeastern China. Zhang, Huimin,Xu, Minggang,Zhu, Ping,Peng, Chang. 2011

[10]Differences in fertilization impacts on organic carbon content and stability in a paddy and an upland soil in subtropical China. Sun, Yanni,Huang, Shan,Yu, Xichu,Zhang, Weijian.

[11]Soil carbon sequestration under long-term rice-based cropping systems of purple soil in Southwest China. Chen Qing-rui,Qin Yu-sheng,Chen Kun,Tu Shi-hua,Xu Ming-gang,Zhang Wen-ju. 2015

[12]Chemical fertilizers could be completely replaced by manure to maintain high maize yield and soil organic carbon (SOC) when SOC reaches a threshold in the Northeast China Plain. Li Hui,Feng Wen-ting,Sun Nan,Xu Ming-gang,Li Hui,Feng Wen-ting,He Xin-hua,Zhu Ping,Gao Hong-jun. 2017

[13]Long-term fertilization effects on carbon and nitrogen in particle-size fractions of a Chinese Mollisol. Yan, Y.,He, H.,Zhang, X.,Chen, Y.,Xie, H.,Bai, Z.,Yan, Y.,Zhang, X.,Chen, Y.,Zhu, P.,Ren, J.,Wang, L.. 2012

[14]Impacts of long-term inorganic and organic fertilization on lignin in a Mollisol. Liu, Ning,He, Hongbo,Xie, Hongtu,Bai, Zhen,Zhang, Xudong,Liu, Ning,Peng, Chang,Zhu, Ping,Ren, Jun,Wang, Lichun. 2010

[15]Soil labile organic carbon fractions and soil organic carbon stocks as affected by long-term organic and mineral fertilization regimes in the North China Plain. Li, Juan,Wen, Yanchen,Li, Yanting,Yang, Xiangdong,Lin, Zhian,Zhao, Bingqiang,Li, Xuhua,Song, Zhenzhen,Cooper, Julia Mary. 2018

[16]Long-term organic and inorganic fertilizations enhanced basic soil productivity in a fluvo-aquic soil. Zha Yan,Wu Xue-ping,Gong Fu-fei,Xu Ming-gang,Zhang Hui-min,Cai Dian-xiong,Chen Li-ming,Huang Shao-min. 2015

[17]An analysis of soil carbon dynamics in long-term soil fertility trials in China. Cong, Rihuan,Xu, Minggang,Zhang, Wenju,Wang, Boren,Cong, Rihuan,Wang, Xiujun,Wang, Xiujun,Yang, Xueyun,Huang, Shaomin. 2012

[18]Long-term fertilization effects on organic carbon fractions in a red soil of China. Tong, Xiaogang,Xu, Minggang,Wang, Xiujun,Zhang, Wenju,Cong, Rihuan,Tong, Xiaogang,Wang, Xiujun,Cong, Rihuan,Bhattacharyya, Ranjan. 2014

[19]Effects of organic amendments on soil carbon sequestration in paddy fields of subtropical China. Xu, Minggang,Wang, Xiujun,Wang, Xiujun,Huang, Qinhai,Nie, Jun,Li, Zuzhang,Li, Shuanglai,Hwang, Seon Woong,Lee, Kyeong Bo. 2012

[20]Simulating the effects of long-term discontinuous and continuous fertilization with straw return on crop yields and soil organic carbon dynamics using the DNDC model. Zhang, Jing,Hu, Kelin,Li, Baoguo,Li, Kejiang,Zheng, Chunlian.

作者其他论文 更多>>

微信小程序