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Publications (32)
Greenhouse gas emissions during aerobic composting is unavoidable, but good practices can minimize emission. Therefore, to explore the key factors influencing the release of greenhouse gas emissions during composting, the inaction of organic matter conversion, greenhouse gas emissions and bacterial community structure during co-composting with diff...
There is limited information on the phosphorus availability under copper and tetracycline-amended composting: Insights into microbial communities and genes. Thus, this work investigated the phosphorus redistribution and transformation, illustrated the variation in microbial communities and genes, and ascertained the multiple action-patterns among w...
Available information on the phosphorus (P) transformation under tetracycline hydrochloride (TCH)-stressed conditions: Emphasize on phosphorus functional genes, during the composting process has received less attention. Thus, this research explored the variation in P-fractions and P functional genes, as well as ascertained the potential microbial p...
The moisture availability is of great significance to the physical, chemical and biological processes of soil, however, information regarding how freeze-thaw cycles (FTCs) affect the bacterial community of soil with different moisture contents is limited. In this work, we studied the relationship between FTCs and soil bacterial community under diff...
Considerable research efforts have been devoted to increase phosphorus (P) availability during aerobic composting. However, there is little discussion weather the dissolved organic carbon (DOC) controls the transformation among P-fractions. Thus, we investigated the changes in DOC compositions and P-fractions during biochar-amended composting (wet...
Available information about the effects of freeze–thaw cycles (FTCs) and soil aggregate structure on the mobility of phosphorus (P) fractions is limited. Here, soil column experiments with different initial moisture contents (saturated moisture content and field capacity) were used to study the redistribution of P fractions in soil aggregates after...
Available information that whether antibiotics affect the succession in microbial communities during aerobic composting remains limited. Thus, this work investigated the dynamic changes in bacterial and fungal structures during aerobic composting amended with tetracycline hydrochloride (TCH: 0, 50, 150 and 300 mg kg⁻¹). Composting phases significan...
Considerable researches have been devoted to ascertain the transformation among heavy metal (HM) or phosphorus (P) fractions during aerobic composting. However, available information that additives with different grain-sizes regulate the activation mechanism on P through influencing the passivation effect on HMs remains limited. Thus, this work aim...
The bioavailability of heavy metals in compost is critical for their agronomic value. The effect of inorganic additives (rock phosphate, PR and boron waste, BW) on Copper (Cu) and Zinc (Zn) bioavailability during co-compost of swine manure and rice straw was assessed using sequential extraction procedure (European Community Bureau of Reference). Th...
Available information on interaction mechanisms between soil nutrient stoichiometry and microbial communities associated with soil aggregate structure in restored wetlands remains limited. As such, this study investigated water-stable aggregate structure using wet-sieving method and scanning electron microscope (SEM) in restored wetlands with a res...
Agricultural diffuse pollution caused by runoff and soil loss from cropland has been a serious environmental problem in the black soil area of Northeast China. While water and soil conservation measures have led to a sharp decrease in overland flow within source water sub-watersheds, they have, on the other end, affected the water security of agric...
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Abstract Ecological stoichiometry is an important indicator presenting multiple elements balance in agro-ecosystems. However, information on microbial communities and nutrient stoichiometry in soil aggregate fractions under different croplands (rice, maize, and soybean fields) remains limited. Thus, this study investigated water-stable aggregate st...
Available information about the passivation effect on heavy metals (HMs) through adsorption and humification during zeolite-amended composting remains limited. Thus, this study explored the dynamic changes in HM-fractions (Zn, Cu, Cd, Cr and Pb) during aerobic composting added with different grain-size zeolite (Fine zeolite, < 0.1 mm, ZF; Coarse ze...
Available information on passivation effect of biochar on heavy metals (HMs) through regulating bacterial communities remains limited. Thus, this study investigated the correlation between bacterial diversity and HM-fractions (Zn, Cu, Cd, Cr and Pb) during composting with different dose of biochar (5% and 10%, dry weight basis), in order to ascerta...
The northeast black soil region of China, an important area of grain production, currently faces serious diffuse pollution issues. In this study, a dual isotopic (δ¹⁵N and δ¹⁸O) framework was used to determine nitrate sources in runoff of a small agricultural watershed of this region. The results indicated that the ranges of δ¹⁵N and δ¹⁸O values of...
The status of heavy metals and the P fractions in compost affects their environmental risk. The present study investigated the effects of different initial carbon to nitrogen (C/N) ratios (15, 22, 27) on redistribution of Cu, Zn, and P fractions during composting. The results showed that the composting process transformed Cu, Zn and P from mobile f...
Phosphorus is a dominant environmental factor in fostering eutrophication, and its biogeochemical behavior has attracted much attention. This study investigated the distribution of phosphorus fractions and the adsorption-desorption characteristic in the soils of wetlands converted from paddy fields with a restoration duration of 1, 2, 3, 5, 13, or...
Phosphorus, a dominating element responsible for eutrophication, is a potential limiting nutrient in wetland ecosystem. In this study, the release risk of phosphorus was evaluated by investigating the distribution of phosphorus fractions in different grain-sizes of soil aggregates in wetlands with restoration durations of 1, 2, 3, 5, 13 or 19 years...
Phosphorus in agro-ecosystems has attracted much attention due to its impact on the nutrient supply of plants and the risk of loss of non-point source pollution. This study investigated the fraction distribution and release of phosphorus from soil aggregates structure under different land uses (rice, maize and soybean). The soil aggregates were cha...
The Northeastern Black Soil Region plays a key role in food supply in China. Identifying spatio-temporal variation of soil properties as influenced by environmental factors has become essential for future agricultural development. A total of 5891 topsoil samples (0–20 cm) were collected and soil organic carbon (SOC) and pH were measured in the Jili...
The improper disposal of Boron waste (BW) would bring much trouble for environment, at the same time, BW with a higher content of boron (B) and magnesium (Mg) could be used as a fertilizer in B and Mg deficient soils. Therefore this study recommend a novel disposal method of BW by composting, and investigated the influence of BW additions (at rates...
Pig manure usually contains a large amount of metals, especially Cu and Zn, which may limit its land application. Rock phosphate has been shown to be effective for immobilizing toxic metals in toxic metals contaminated soils. The aim of this study work was to investigate the effect of rock phosphate on the speciation of Cu and Zn during co-composti...
Agricultural drainage ditches are common as temporary storages of drainage water and may improve mitigation capacity of pollutants in Sanjiang Plain. Few ditch management practices have been proposed to alleviate nitrogen loads transported to downstream aquatic systems in this area. This study examined the nitrogen variation in overlying and pore w...
The spatial distribution of total concentrations and the chemical speciation of heavy metals (Cu, Zn, Pb and Hg) in saline–sodic soil at different periods of time since reclamation (rain-fed arable land converted into paddy field) were investigated. The fluxes of different input sources of heavy metals were also analyzed. The results showed that lo...
Agricultural drainage ditches which deliver excess water from poorly drained farmlands to ensure consistent agricultural production but also transport field pollutants, especially nitrogen (N) and phosphorus (P). Ditch management has been proposed to alleviate nutrient loads that are transported to receiving water. Experimental drainage ditches wit...
