Effects of nitrogen, phosphorus and potassium levels on the growth of <i>Neyraudia reynaudiana</i> of soil and water conservation plant

FENG Hong; DAI Jun; WU Jialong; GUO Yanbiao

doi:10.7671/j.issn.1001-411X.2015.02.006

Journal of South China Agricultural University > 2015 > 36(2): 31-35. > DOI: 10.7671/j.issn.1001-411X.2015.02.006

FENG Hong, DAI Jun, WU Jialong, GUO Yanbiao. Effects of nitrogen, phosphorus and potassium levels on the growth of Neyraudia reynaudiana of soil and water conservation plant[J]. Journal of South China Agricultural University, 2015, 36(2): 31-35. DOI: 10.7671/j.issn.1001-411X.2015.02.006

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Effects of nitrogen, phosphorus and potassium levels on the growth of Neyraudia reynaudiana of soil and water conservation plant

FENG Hong^{1, 2,},
DAI Jun^{1, 2},
WU Jialong¹,
GUO Yanbiao^{1, 2, ,}

1.
College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
2.
Key Laboratory of South China Farmland Conservation, Ministry of Agriculture, Guangzhou 510642, China

More Information

Received Date: March 24, 2014
Available Online: May 17, 2023

Abstract

Abstract

Objective
To explore the effects of nitrogen, phosphorus and potassium levels on the growth of burmareed, Neyraudia reynaudiana.
Method
Nutrient solution-sand culture experiment was applied to study the response of burmareed which was a very excellent soil and water conservation plant at different nitrogen, phosphorus and potassium levels.
Result and conclusion
The results indicated that 0.750 mmol·L^-1 N and 0.030 mmol·L^-1 K significantly affected the burmareed growth and reduced the aboveground and underground biomass of burmareed. The concentration of 0.005 mmol·L^-1 P did not affect the aboveground biomass, but significantly reduced the underground biomass. The effect of 0.750 mmol·L^-1 N on the growth of burmareed was significantly stronger than that of 0.030 mmol·L^-1 P and 0.030 mmol·L^-1 K. In low P and K condition, burmareed could increase root length and surface area, which displayed its strong capacity of adapting and self-adjusting for low P and K stress. Supplement of nitrogen is very important for revegetation with burmareed.
- soil and water conservation plant,
- Neyraudia reynaudiana,
- nitrogen,
- biomass,
- root

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References (29)

References

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Corresponding author: GUO Yanbiao, guoyanbiao@scau.edu.cn

1.
College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
2.
Key Laboratory of South China Farmland Conservation, Ministry of Agriculture, Guangzhou 510642, China

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Effects of nitrogen, phosphorus and potassium levels on the growth of Neyraudia reynaudiana of soil and water conservation plant

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Corresponding author: GUO Yanbiao, guoyanbiao@scau.edu.cn

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