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Self-Assembly Effects of Seafood Waste and Cow Dung to Remediate Saline Soil

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DOI: 10.4236/as.2015.68078    3,064 Downloads   3,420 Views  
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ABSTRACT

This research is based on the U8 (43) uniform table to conduct uniform experiments for improving saline soil. Different proportions of saline soil and silt, with a composted residue of marine fish and seashells that was mixed with sawdust and cow dung, were chosen as the assembly factors. The improvement coefficients for available nitrogen phosphorus of the mixed salt mud and for the production of tall fescue hay were adopted as the characterization values. According to the causal relations that were previously established by 64 types of permutations and combinations, the optimal assembly scheme with maximum characterization values was determined. The results indicate that the artificial soil that consisted of saline soil and silts in a ratio of 8:2; sea fish waste, shellfish trash and sawdust in a ratio of 5:4:1; and 8 kg of cow dung (10 wt%) is the best among the 64 types of composting treatments. Under the improved conditions, the predictive values of the increasing coefficients of valid nitrogen and valid phosphorus in the soil are 1.99 and 1.93, respectively; the predictive value of the tall fescue in a unit area production is 238.83 g·m-2. Its error accuracy is more than 99.82%. All of the above results indicate that utilizing the saline soil improvement media, which is composed of Haihe river silts, fish and shellfish slag, cow dung, and other wastes, provides a new option for saline soil improvement.

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Wen, K. , Liu, C. , Wu, L. , Ma, C. and Zhang, Y. (2015) Self-Assembly Effects of Seafood Waste and Cow Dung to Remediate Saline Soil. Agricultural Sciences, 6, 807-816. doi: 10.4236/as.2015.68078.

Conflicts of Interest

The authors declare no conflicts of interest.

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