Topsoil alternatives selection for surface coal-mined land reclamation in Inner Mongolia, China: an experimental study

Zhu, Qing; Hu, Zhenqi; Liu, Xueran; Wu, Yuanjing

doi:10.1080/17480930.2020.1846239

Cited by 11 publications

(8 citation statements)

References 22 publications

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“…It is well known that all the factors affecting soil properties, including physical, chemical, and biological properties, could impact on soil quality [ 4 , 5 , 6 ]. Previous research has shown that the quality of newly reclaimed land can be effectively improved by increasing the use of organic fertilizer, such as biosolids, crop residues, livestock manure, and so on, which can not only modify soil physical and chemical properties but also exert a great influence on microbial communities [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Different Microbial Fertilizers on Growth and Rhizosphere Soil Properties of Corn in Newly Reclaimed Land

Lu²,

et al. 2022

Plants

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Land reclamation may expand the supply of usable land for food security. Soil microorganisms have been considered as an amendment in immature soil to improve its quality. However, different microbial fertilizers’ effects on plant growth in immature soil have largely been unexplored. In order to evaluate the effects of different microbial fertilizers on immature soil, the soil quality and microbial community structure of corn rhizosphere soil samples under different microbial fertilizers were investigated. The results revealed a significant difference between microbial fertilizers (especially seaweed microbial fertilizer, SMF) and commercial chemical compound fertilizers in the soil properties and microbial community structure. Indeed, SMF caused a 486.21%, 23.17%, 21.08%, 38.33%, and 482.39% increase in Flavobacteriaceae, Planctomycetaceae, Chitinophagaceae, Acidobacteria_Gp3, and Mortierellaceae but a 23.82%, 18.66%, 42.36%, 29.12%, 81.97%, 42.19%, and 99.33% reduction in Cytophagales, Comamonadaceae, Rhodospirillaceae, Sinobacteaceae, Aspergillaceae, Myrmecridiaceae, and Typhulaceae, respectively; while CCF caused an 85.68% and 183.22% increase in Xanthomonadaceae and Mortierellaceae but a 31.29%, 36.02%, and 65.74% reduction in Cytophagales, Spartobacteria, and Cyphellophoraceae compared with the control based on 16S and ITS amplicon sequencing of soil microflora. Furthermore, redundancy discriminant analysis of the microbial communities and soil properties indicated that the main variables of the bacterial and fungal communities included exchangeable Ca, organic matter content, total N, and available P. Overall, the results of this study revealed significant changes under different fertilizer conditions in the microbiota and chemical properties of corn soil. Microbial fertilizers, particularly SMF and SM, can be used as a good amendment for newly reclaimed land.

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Section: Introductionmentioning

confidence: 99%

Effects of Different Microbial Fertilizers on Growth and Rhizosphere Soil Properties of Corn in Newly Reclaimed Land

Lu²,

et al. 2022

Plants

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“…All of the factors affecting the soil's physical, chemical, and biological properties will impact the soil quality [4][5][6]. Although there are many problems with the newly reclaimed land, a low organic matter content (OMC) is regarded as a main cause for its poor soil quality, which does not completely meet the requirements of a high crop yield.…”

Section: Introductionmentioning

confidence: 99%

Effects of Different Organic Fertilizers on Improving Soil from Newly Reclaimed Land to Crop Soil

et al. 2021

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The rapid development of cities in the recent 10 years caused a reduction in the cultivated land area, which only accounts for 14% of the total land area in China. Land development and reclamation have been regarded as an effective way to compensate farmland occupation. However, most of the newly reclaimed land has poor soil fertility and suitability; in some cases, the production capacity is only 10–30% of the occupied farmland. In order to ameliorate the soil quality of the newly reclaimed land, this study evaluated the effects of commercial organic fertilizer (0.75, 1.50, and 2.25 kg/m2), mushroom residue (1.50, 2.25, and 3.00 kg/m2), biogas slurry (150, 225, and 300 kg/m2), vegetable cake (0.30 and 0.60 kg/m2), and chemical compound fertilizer (37.50 g/m2) on the pH, moisture content and organic matter content (OMC), available phosphate, total nitrogen, alkaline hydrolysis nitrogen, microbial biomass carbon and nitrogen, and number of total bacteria and phosphate-solubilizing bacteria, as well as the growth of maize seedlings. The results from this study indicate that the soil quality (OMC is an indicator) was ameliorated by chemical and organic fertilizers, in particular commercial organic fertilizers, which caused a 9.35–16.35% increase in moisture content, a 11.56–18.72% increase in pH, a 1.73–2.15 fold increase in OMC, a 338.44–491.41% increase in available P, a 36.80–48.14% increase in total N, a 95.32–128.34% increase in alkaline hydrolysis N, a 92.57–178.38% increase in total bacterial numbers, and a 7.57–20.87 fold increase in microbial biomass carbon compared with the control. The pot experiment further indicated that soil amended with commercial organic fertilizers caused a 20.35–30.55% increase in the height and a 12.50–16.67% increase in the total dry weight of maize seedlings. In addition, representative strains with the ability to dissolve phosphorus and fix nitrogen were successfully isolated using the culture method, and were then identified based on colony morphological observation and 16S rDNA sequence analysis, which help us to not only understand why organic fertilizer has great effect on soil improvement, but also provides beneficial microbial resources for further study.

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“…1). Studies have validated the potential of various solid waste materials as soil substitutes, including y ash ( In these cases, solid wastes were combined with other substrates and typically made up 10%-50% of the reconstructed topsoil (Zhu et al 2021). Compared with previous research, present results proposed a more effective disposal method of AMDS and a feasible way to establish vegetation on mine tailings and waste rocks with no original soil.…”

Section: Discussionmentioning

confidence: 65%

“…This signi ed an effective tolerance mechanism to these toxic elements (Adrees et al 2015). Legumes (e.g., alfalfa) were often suggested in mine reclamation due to their N xation ability (Ye et al 2001;Zhu et al 2021). However, the total N content in the rhizosphere of alfalfa was not signi cantly higher than those in the rhizosphere of the other plants in the present study, although it increased from the 6-month to the 12-month sampling (Fig.…”

mentioning

confidence: 99%

Evaluation of acid mine drainage sludge as soil substitute for the reclamation of mine solid wastes

Chi

Lin

Zhuang

et al. 2021

Environ Sci Pollut Res

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Topsoil alternatives selection for surface coal-mined land reclamation in Inner Mongolia, China: an experimental study

Cited by 11 publications

References 22 publications

Effects of Different Microbial Fertilizers on Growth and Rhizosphere Soil Properties of Corn in Newly Reclaimed Land

Effects of Different Microbial Fertilizers on Growth and Rhizosphere Soil Properties of Corn in Newly Reclaimed Land

Effects of Different Organic Fertilizers on Improving Soil from Newly Reclaimed Land to Crop Soil

Evaluation of acid mine drainage sludge as soil substitute for the reclamation of mine solid wastes

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