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Yang Wei, Wang Liao, Tan Wenfa, Chen Dayong, Lu Lei. Impact of nutrition soil from construction soil and WWTP sludge compost on growth of landscape plants[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1163-1168.
Citation: Yang Wei, Wang Liao, Tan Wenfa, Chen Dayong, Lu Lei. Impact of nutrition soil from construction soil and WWTP sludge compost on growth of landscape plants[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1163-1168.
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Impact of nutrition soil from construction soil and WWTP sludge compost on growth of landscape plants

  • 1.

    Key Laboratory of China Southwest Resource Exploitation and Environmental Disaster Control Engineering, Ministry of Education, Chongqing University, Chongqing 400044, China

  • 2.

    Chongqing Water Group Company Limited, Chongqing 400004, China

  • Received Date: 14/01/2012
    Accepted Date: 07/11/2011
    Available Online: 18/03/2013
    Fund Project:
  • Nutrient soil produced from the mixture of construction soil and (wastewater treatment plant, WWTP) sludge compost was applied in growing landscape plants. The performance of garden balsams from seeding to blooming period was observed and analyzed by pot-culture experiments to verify the application of the as-prepared nutrient soil on growing landscape plants. The results show that: (1) the application of the as-prepared nutrient soil conducts a positive influence on the growth of impatiens due to the rich nutrients; (2) the growth indices of garden balsams in experiments are positively proportional to the ratios of the WWTP compost in the nutrient soil, reaching maximum at the percentage of 30%; (3) heavy metals in the nutrient soil act as an inhibiting factor of the growth of garden balsams, especially to the part above the earth surface, and the inhibition take places mainly during the seeding and growing periods; however, this inhibition effect decreases as garden balsams grow, and mitigates evidently in the mature period; (4) the application of the nutrient soil leads to a significant increase of the biomass of garden balsams up to 550% at maximum, meeting the living condition of plants growth; (5) the optimum application rate of the nutrient soil on garden balsams is determined to be 30% under the experimental conditions by the fuzzy evaluation.
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Impact of nutrition soil from construction soil and WWTP sludge compost on growth of landscape plants

  • Received Date: 14/01/2012
  • Accepted Date: 07/11/2011
  • Available Online: 18/03/2013
Fund Project:

Abstract: Nutrient soil produced from the mixture of construction soil and (wastewater treatment plant, WWTP) sludge compost was applied in growing landscape plants. The performance of garden balsams from seeding to blooming period was observed and analyzed by pot-culture experiments to verify the application of the as-prepared nutrient soil on growing landscape plants. The results show that: (1) the application of the as-prepared nutrient soil conducts a positive influence on the growth of impatiens due to the rich nutrients; (2) the growth indices of garden balsams in experiments are positively proportional to the ratios of the WWTP compost in the nutrient soil, reaching maximum at the percentage of 30%; (3) heavy metals in the nutrient soil act as an inhibiting factor of the growth of garden balsams, especially to the part above the earth surface, and the inhibition take places mainly during the seeding and growing periods; however, this inhibition effect decreases as garden balsams grow, and mitigates evidently in the mature period; (4) the application of the nutrient soil leads to a significant increase of the biomass of garden balsams up to 550% at maximum, meeting the living condition of plants growth; (5) the optimum application rate of the nutrient soil on garden balsams is determined to be 30% under the experimental conditions by the fuzzy evaluation.

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