Spatial Variability of Nitrogen and Phosphorus in Wetland Soils of the Yellow River Delta, China

2012 ◽  
Vol 610-613 ◽  
pp. 1028-1032
Author(s):  
Chen Huang ◽  
Jun Hong Bai ◽  
Jun Jing Wang ◽  
Qiong Qiong Lu ◽  
Qing Qing Zhao ◽  
...  
Keyword(s):  
Spatial Variability ◽  
Soil Nitrogen ◽  
Yellow River ◽  
Yellow River Delta ◽  
River Delta ◽  
The Yellow River ◽  
Model Parameters ◽  
Wetland Soils ◽  
Nitrogen And Phosphorus ◽  
The Yellow River Delta

Spatial variability of soil nitrogen and phosphorus in the Yellow River Delta was investigated using geostatistical method. Our results showed moderate variation in TN and TP and high variations in NH4+-N and AP. The best semi-variogram model for each nutrient was identified. The model parameters suggested that the structure variance dominated the total variance of TN, TP and NH4+-N, while the spatial variability of AP was relatively random. The spatial variation scales of soil nitrogen and phosphorus are similar.

Effects of biochar on carbon mineralization of coastal wetland soils in the Yellow River Delta, China

2016 ◽  
Vol 94 ◽  
pp. 329-336 ◽  
Author(s):  
Xianxiang Luo ◽  
Leyun Wang ◽  
Guocheng Liu ◽  
Xiao Wang ◽  
Zhenyu Wang ◽  
...  
Keyword(s):  
Coastal Wetland ◽  
Yellow River ◽  
Carbon Mineralization ◽  
Yellow River Delta ◽  
River Delta ◽  
The Yellow River ◽  
Wetland Soils ◽  
The Yellow River Delta

scholarly journals Heavy metals in wetland soils along a wetland-forming chronosequence in the Yellow River Delta of China: Levels, sources and toxic risks

2016 ◽  
Vol 69 ◽  
pp. 331-339 ◽  
Author(s):  
Guangliang Zhang ◽  
Junhong Bai ◽  
Qingqing Zhao ◽  
Qiongqiong Lu ◽  
Jia Jia ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Yellow River ◽  
Yellow River Delta ◽  
River Delta ◽  
The Yellow River ◽  
Wetland Soils ◽  
The Yellow River Delta

scholarly journals Effects of biochar on nitrogen and phosphorus retention in the coastal wetland soil of the Yellow River Delta, China

2021 ◽  
Vol 251 ◽  
pp. 02028
Author(s):  
Jing Miao ◽  
Xiaotong Li ◽  
Xiao Wang
Keyword(s):  
Coastal Wetland ◽  
Yellow River ◽  
Nutrient Deficiency ◽  
Carbonaceous Material ◽  
Yellow River Delta ◽  
River Delta ◽  
The Yellow River ◽  
Wetland Soil ◽  
Nitrogen And Phosphorus ◽  
The Yellow River Delta

Nutrient deficiency (nitrogen, phosphorus) strongly limited the productivity of the degraded coastal soils in the Yellow River Delta. Biochar (BC) is a kind of porous carbonaceous material. It has raised wide interests because of their multiple benefits in soil improvement. The effects of biochar on the retention of nitrogen and phosphorus varied with the types of biochar and soil properties. In this study, a maize straw derived BC was applied into a coastal salt-affected soil collected from the Yellow River Delta to investigate the response of soil nutrient using a three-month cultivating experiment with the simulated rainfall. The results showed that the addition of biochar reduced the content of NH4+-N and NO3--N in all-depth soil by 8.1–27.0% and 25.3–51.9%, respectively. The content of TP in 0-30 cm soil was significantly increased, while it had no significant effect on the content of TP in 30-60 cm soil. These findings would provide theoretical basis and technical support for developing feasible technologies for remediating degraded coastal wetland soil.

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