Effects of nano carbon on soil erosion and nutrient loss in a semi-arid loess region of Northwestern China

Beibei Zhou, Xiaopeng Chen, Quanjiu Wang, Wei Wei, Tian C Zhang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Since 2005, the application of nano carbon (NC) in agriculture and environmental remediation has received considerable attention with most of the research focusing on plant growth and heavy metal absorption. However, little is known about the potential effects of NC on soil erosion and nutrient loss. In this study, rainfall simulation tests were conducted on a soil plot (1 m × 1 m, located in a semi-arid loess region of northwestern China), in which a mixture (5-cm below the soil surface) of NC (0, 0.1%, 0.5%, 0.7% and 1.0% on a mass base) and sandy soil (same as the one in the plot) was embedded as three bands (5 cm wide, 1 m long and 5 cm thick) at the three positions (top, middle and bottom of the plot), respectively. Before the rainfall simulation test, a mixed solution of potassium bromide (1.0 mol/L KBr), potassium nitrate (1.0 mol/L KNO3), monopotassium phosphate (1.0 mol/L KH2PQ4) was sprayed on the soil surface. Results showed that the sandy soil on the Loess Plateau with 0.7% NC addition (36.47 kg/hm2 on a mass basis) could improve soil water runoff, sediment yield, and nutrient loss in the semi-arid loess region of northwestern China, in addition to preventing soil water from deep percolation. Therefore, NC may have a great potential in soil erosion control on the Loess Plateau of China.

Original languageEnglish (US)
Pages (from-to)138-145
Number of pages8
JournalInternational Journal of Agricultural and Biological Engineering
Volume11
Issue number1
DOIs
StatePublished - Jan 1 2018

Fingerprint

Arid regions
loess
soil erosion
soil nutrients
Nutrients
Erosion
China
Soil
Carbon
Soils
Food
carbon
rainfall simulation
sandy soils
plateaus
potassium bromide
soil water
soil
potassium nitrate
erosion control

Keywords

  • Nano carbon
  • Nutrient loss
  • Rainfall simulation tests
  • Runoff
  • Sediment
  • Semi-arid loess region
  • Soil erosion

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Engineering(all)

Cite this

Effects of nano carbon on soil erosion and nutrient loss in a semi-arid loess region of Northwestern China. / Zhou, Beibei; Chen, Xiaopeng; Wang, Quanjiu; Wei, Wei; Zhang, Tian C.

In: International Journal of Agricultural and Biological Engineering, Vol. 11, No. 1, 01.01.2018, p. 138-145.

Research output: Contribution to journalArticle

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abstract = "Since 2005, the application of nano carbon (NC) in agriculture and environmental remediation has received considerable attention with most of the research focusing on plant growth and heavy metal absorption. However, little is known about the potential effects of NC on soil erosion and nutrient loss. In this study, rainfall simulation tests were conducted on a soil plot (1 m × 1 m, located in a semi-arid loess region of northwestern China), in which a mixture (5-cm below the soil surface) of NC (0, 0.1{\%}, 0.5{\%}, 0.7{\%} and 1.0{\%} on a mass base) and sandy soil (same as the one in the plot) was embedded as three bands (5 cm wide, 1 m long and 5 cm thick) at the three positions (top, middle and bottom of the plot), respectively. Before the rainfall simulation test, a mixed solution of potassium bromide (1.0 mol/L KBr), potassium nitrate (1.0 mol/L KNO3), monopotassium phosphate (1.0 mol/L KH2PQ4) was sprayed on the soil surface. Results showed that the sandy soil on the Loess Plateau with 0.7{\%} NC addition (36.47 kg/hm2 on a mass basis) could improve soil water runoff, sediment yield, and nutrient loss in the semi-arid loess region of northwestern China, in addition to preventing soil water from deep percolation. Therefore, NC may have a great potential in soil erosion control on the Loess Plateau of China.",
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