Study on the Effect of Different Modified Zeolite to Phosphorus Activation in Red Soil - Journal of Environmental Protection

JEP > Vol.7 No.13, December 2016

Journal of Environmental Protection

Volume 7, Issue 13 (December 2016)

ISSN Print: 2152-2197 ISSN Online: 2152-2219

Google-based Impact Factor: 1.15 Citations h5-index & Ranking

Study on the Effect of Different Modified Zeolite to Phosphorus Activation in Red Soil ()

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DOI: 10.4236/jep.2016.713158 1,424 Downloads 2,328 Views Citations

Author(s)

Jing Shi^1,2, Naiming Zhang^1,2*, Chenguang Zhang^1,2, Boxian Wei^1,2

Affiliation(s)

¹College of Resource and Environment, Yunnan Agricultural University, Kunming, China.
²Soil Fertilization and Pollution Remediation Engineering Laboratory of Yunnan Province, Kunming, China.

ABSTRACT

The activation of soil-fixed phosphorus is a long-term concern in soil science. In order to enhance the activation effect to soil-fixed phosphorus in red soil, different modified zeolite, through physical, chemical method and the associated both physics and chemistry, was used in this paper. The results showed as following: 1) the activated ability to soil-fixed phosphorus in red soil for modified zeolite was higher than the common one signally. Order of the ability for all kinds of modification zeolite in absolute activation amount and activation rate was: Modified in high temperature ammonium saturated zeolite > Ammonium saturated zeolite > Modified in high temperature zeolite > Common zeolite. 2) The increasing rate of modified phosphorus in high temperature ammonium saturated zeolite and ammonium saturated zeolite had a decline trend with time postponed while that for modified phosphorus in high temperature zeolite and routine zeolite was rising gradually with time postponed. For ammonium saturated zeolite, the increasing rate of phosphorus in low available phosphorus content red soil was significantly faster than that in red soil with the higher content of available phosphorus. 3) The activation rate for the same modified zeolite showed difference in different phosphorus level soil. The order is: SP_high > SP_medium > SP_low.

KEYWORDS

Activation, Phosphorus, Red Soil, Zeolite

Share and Cite:

Shi, J. , Zhang, N. , Zhang, C. and Wei, B. (2016) Study on the Effect of Different Modified Zeolite to Phosphorus Activation in Red Soil. Journal of Environmental Protection, 7, 2036-2046. doi: 10.4236/jep.2016.713158.

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