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Jumei Li
Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China

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Journal article
Published: 23 February 2021 in Sustainability
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Although inorganic and organic manures with high concentrations of heavy metals can lead to accumulation or contamination of heavy metals in soils, there are few reports on the effects of long-term application of swine and green manures on the accumulation of heavy metals in rice grains in paddy soils. A long-term field experiment, which was established in 1990 in paddy soil in Hangzhou, China, was used to investigate the effects of inorganic and organic manures on the availability and accumulation of heavy metals in soil and uptake by rice plant. The results showed that long-term application of nitrogen, phosphorus and potash (NPK) plus green manure or swine manure, and swine manure only increased 202%, 146%, and 100% for total Cd, and 5.5%, 7.6%, and 6.6% for total Cu in rice grains, respectively compared to the control without fertilization. Total Zn in rice grain was significantly increased by 13.9% for the treatment of NPK plus green manure. The accumulation of Cd, Zn, and Cu in rice grains after long-term application of swine and green manures is due to the combined effects of the increased concentrations of total and EDTA extractable Cd, Zn, and Cu in soil and the changes of soil properties. Furthermore, the highest bioconcentration factor for Cd was found in the treatment of NPK plus green manure while for Zn and Cu it was observed in NPK treatment. Thus, it may be concluded that green manure and manure with increased Cd, Zn, and Cu in rice grain results in a potential risk of metal accumulation in paddy soils.

ACS Style

Babar Hussain; Jumei Li; Yibing Ma; Yi Chen; Chunyan Wu; Aman Ullah; Nazia Tahir. A Field Evidence of Cd, Zn and Cu Accumulation in Soil and Rice Grains after Long-Term (27 Years) Application of Swine and Green Manures in a Paddy Soil. Sustainability 2021, 13, 2404 .

AMA Style

Babar Hussain, Jumei Li, Yibing Ma, Yi Chen, Chunyan Wu, Aman Ullah, Nazia Tahir. A Field Evidence of Cd, Zn and Cu Accumulation in Soil and Rice Grains after Long-Term (27 Years) Application of Swine and Green Manures in a Paddy Soil. Sustainability. 2021; 13 (4):2404.

Chicago/Turabian Style

Babar Hussain; Jumei Li; Yibing Ma; Yi Chen; Chunyan Wu; Aman Ullah; Nazia Tahir. 2021. "A Field Evidence of Cd, Zn and Cu Accumulation in Soil and Rice Grains after Long-Term (27 Years) Application of Swine and Green Manures in a Paddy Soil." Sustainability 13, no. 4: 2404.

Research article
Published: 10 December 2020 in PLOS ONE
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Iron (Fe) and manganese (Mn) are nutritional components of rice, plays an important role in its physiological processes and can minimize absorption of cadmium (Cd) in rice. Fe, Mn, and Cd transporters such as CAL1, OsNRAMP5, OsNRAMP1, OsIRT1, OsHMA3, and OsNAAT1 regulate uptake of Cd in rice. However, the effect of exogenous application of Fe, and Mn on the accumulation of Cd and relative expression (RE) of these transporters in rice has not been investigated. Therefore, a hydroponic culture experiment was conducted to investigate the impact of Fe and Mn on Cd uptake and RE of these transporters in rice. The results showed that the Fe and Mn application significantly decreased Cd in the roots and shoots of rice. Whereas, Cd concentration in the rice significantly increased with increasing Cd concentration in the solution. The addition of manganese in the culture medium can reduce the cadmium content of rice roots by 11.9–82.3% and shoots by 11.6–85.0%, while the addition of iron in the culture medium can reduce the cadmium content of rice roots and shoots by 26–65% and 9–683% respectively. Meanwhile, application of sufficient doses of Fe and Cd in solution culture increased RE of CAL1, OsNRAMP5, OsNRAMP1, OsIRT1, and OsNAAT1 in roots, whereas expression level of OsHMA3 was decreased. Similarly, expression level of CAL1, OsNRAMP5, and OsNRAMP1 significantly increased in roots in high Cd and Mn deficient treatments. This may be concluded that the Cd increases expression of CAL1, OsNRAMP5, OsNRAMP1, OsIRT1, and OsNAAT1 but decreases OsHMA3 expression in rice roots, which resulted in increased Cd uptake in hydroponically grown rice.

ACS Style

Babar Hussain; Jumei Li; Yibing Ma; Nazia Tahir; Aman Ullah. Effects of Fe and Mn cations on Cd uptake by rice plant in hydroponic culture experiment. PLOS ONE 2020, 15, e0243174 .

AMA Style

Babar Hussain, Jumei Li, Yibing Ma, Nazia Tahir, Aman Ullah. Effects of Fe and Mn cations on Cd uptake by rice plant in hydroponic culture experiment. PLOS ONE. 2020; 15 (12):e0243174.

Chicago/Turabian Style

Babar Hussain; Jumei Li; Yibing Ma; Nazia Tahir; Aman Ullah. 2020. "Effects of Fe and Mn cations on Cd uptake by rice plant in hydroponic culture experiment." PLOS ONE 15, no. 12: e0243174.

Journal article
Published: 05 March 2020 in Agronomy
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Contamination of paddy soils with heavy metals and metalloids poses a risk to human health through the food chain. For safe agricultural production in contaminated paddy soils, “in situ” remediation through the unavailability of heavy metals from contaminated soils was investigated in order to develop cost-effective and eco-friendly approaches for soils contaminated with complexed heavy metals (HMs) and metalloids. In the present study, the effectiveness of different soil amendments, including sulfur-containing materials (hair or cysteine), manganese compounds as an antagonist and an oxidant, zeolite and iron oxide as adsorbents, and their combinations through coating or modification, was investigated by a pot experiment with rice plants and chemical analysis. Two levels of each treatment were made, termed X1 and X2, which were a single and double dose of each treatment respectively, while CaCO3 was used as a basal and pH enhancement amendment in all treatments to identify the best combination of the above treatments in the in situ remediation of heavy metals and metalloids. The rice plants were kept under the flooded condition. Results indicated that the bioavailability of As, Cd, Cr, and Pb in soil was significantly decreased with level two (X2) of iron oxide coated with modified hairs (T7X2) followed by level two (X2) of zeolite coated with KMnO4. The iron oxide coated with modified hairs (X2) decreased the concentrations of heavy metals and metalloids in rice plants in the order Pb ˃ As ˃ Cr ˃ Cd by 81%, 80%, 79% and 46%, respectively, followed by zeolite coated with KMnO4 (X2) in the order Pb ˃ As ˃ Cr ˃ Cd by 78%, 76%, 71%, and 31%, respectively, to control. The available content of these elements in soil was decreased in the order As > Cr> Pb > Cd by 67%, 66%, 64% and 60%, respectively, through iron oxide coated with modified hairs, followed by zeolite coated with KMnO4 in the order Pb ˃ Cr ˃ Cd ˃ As by 57%, 53%, 50%, and 46%, respectively, to control, which can explain the decreased bioavailability by these amendments. In addition, the maximum shoot dry and leaf area were noticed in the pots treated with iron oxide coated with modified hairs and zeolite coated with KMnO4. There is potential to use modified hairs (MHs) with iron oxide and KMnO4-coated zeolite as soil amendments to develop a cost-effective and efficient “in situ” remediation technology for As, Cd, Pb, and Cr-contaminated rice paddy soils, especially for the soils with complex contamination by Cd and As.

ACS Style

Aman Ullah; Yibing Ma; Jumei Li; Nazia Tahir; Babar Hussain. Effective Amendments on Cadmium, Arsenic, Chromium and Lead Contaminated Paddy Soil for Rice Safety. Agronomy 2020, 10, 359 .

AMA Style

Aman Ullah, Yibing Ma, Jumei Li, Nazia Tahir, Babar Hussain. Effective Amendments on Cadmium, Arsenic, Chromium and Lead Contaminated Paddy Soil for Rice Safety. Agronomy. 2020; 10 (3):359.

Chicago/Turabian Style

Aman Ullah; Yibing Ma; Jumei Li; Nazia Tahir; Babar Hussain. 2020. "Effective Amendments on Cadmium, Arsenic, Chromium and Lead Contaminated Paddy Soil for Rice Safety." Agronomy 10, no. 3: 359.

Journal article
Published: 04 March 2019 in Sustainability
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In spite of the importance of N management in agricultural production, closing the full nitrogen balance remains a challenge, mainly due to the uncertainties in both fluxes of nitrogen input and output. We analyzed N deposition and its influence on crop productivity and field nitrogen balance based on data from three of 15 years (1990–2005) of experiments in North China. The results showed that the average annual nitrogen deposition was 76, 80, and 94 kg N/ha at Changping, Zhengzhou, and Yangling in a wheat-maize rotation system, respectively. The deposited N could support a corresponding total biomass production (wheat plus maize) of 9.6, 10.6, and 8.8 Mg/ha with a total grain yield of 3.8, 4.8, and 3.7 Mg/ha, however, that did not cause a further decline in soil organic matter. N fertilizer application could increase total biomass (grain) by 244% (259%) and 74% (119%) for wheat and maize, respectively. Under optimal N management, N deposition accounted for 17–21% of the total N inputs, which affected significantly the recovery efficiency of applied N. N deposition showed a significant spatial variation in terms of the fraction of dry and wet depositions. On an annual average, N deposition roughly balanced out N losses due to NH3 volatilization and N2O loss from nitrification and denitrification. NH3 volatilization and NO3−-N leaching each accounted for 16–20% of the total N outputs. A system modeling approach is recommended to investigate the spatial variation of N leaching as affected by climatic conditions, and to fully account for the nitrogen fluxes. The N deposition derived from this study can be used as the background N input into the wheat-maize double cropping system for N balance.

ACS Style

Jie Liu; Jumei Li; Yibing Ma; Enli Wang; Qiong Liang; Yuehui Jia; Tingshu Li; Guocheng Wang. Crop Productivity and Nitrogen Balance as Influenced by Nitrogen Deposition and Fertilizer Application in North China. Sustainability 2019, 11, 1347 .

AMA Style

Jie Liu, Jumei Li, Yibing Ma, Enli Wang, Qiong Liang, Yuehui Jia, Tingshu Li, Guocheng Wang. Crop Productivity and Nitrogen Balance as Influenced by Nitrogen Deposition and Fertilizer Application in North China. Sustainability. 2019; 11 (5):1347.

Chicago/Turabian Style

Jie Liu; Jumei Li; Yibing Ma; Enli Wang; Qiong Liang; Yuehui Jia; Tingshu Li; Guocheng Wang. 2019. "Crop Productivity and Nitrogen Balance as Influenced by Nitrogen Deposition and Fertilizer Application in North China." Sustainability 11, no. 5: 1347.

Journal article
Published: 04 December 2018 in Agronomy
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Recovery efficiency of nitrogen fertilizers has always been an important issue, especially for N fertilizer recommendation rate in cropping systems. Based on the equilibrium of N in the soil–plant system, apparent accumulated N fertilizer recovery (NREac) was determined for long-term (15-years) experiments in wheat (Triticum aestivum L.) and maize (Zea mays L.) rotations at five field sites with various soils and climate characteristics in China. The result showed that the frequency of cropping and the content of soil clay affected NREac positively and negatively, respectively. In the absence of nutrient deficiencies and other soil constraints (from NPK (nitrogen, phosphorus and potassium) in S2-CP (site2-Changping) in Beijing, S3-ZZ (site3-Zhengzhou) in Henan province and S4-YL (site4-Yangling) in Shaanxi province), NREac had a narrow range from 70% to 78% with the highest average of 75% in wheat and maize cropping system. Meanwhile, the value 75% of NERac is a rational value proved by 3414 experiments. Additionally, the nitrate-N approach suggested that nitrate-N could be utilized by subsequent crops, the amount of which is calculated by the equation −1.23 × [(NO3−-N) − 87]. Furthermore, another simpler and feasible method was proposed to maintain basic soil fertility while achieving a rational grain yield and maintaining a safe environmental upper threshold of nitrate. The present study provided a suit of methods for N fertilizer recommendations for the optimization of N applications in wheat and maize cropping system in China.

ACS Style

Jie Liu; Jumei Li; Yibing Ma; Yuehui Jia; Qiong Liang. Apparent Accumulated Nitrogen Fertilizer Recovery in Long-Term Wheat–Maize Cropping Systems in China. Agronomy 2018, 8, 293 .

AMA Style

Jie Liu, Jumei Li, Yibing Ma, Yuehui Jia, Qiong Liang. Apparent Accumulated Nitrogen Fertilizer Recovery in Long-Term Wheat–Maize Cropping Systems in China. Agronomy. 2018; 8 (12):293.

Chicago/Turabian Style

Jie Liu; Jumei Li; Yibing Ma; Yuehui Jia; Qiong Liang. 2018. "Apparent Accumulated Nitrogen Fertilizer Recovery in Long-Term Wheat–Maize Cropping Systems in China." Agronomy 8, no. 12: 293.

Journal article
Published: 04 April 2018 in International Journal of Environmental Research and Public Health
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The uncertainty in the risk assessment of trace metal elements in soils when total metal contents are used can be decreased by assessing their availability and/or extractability when the soils have a high background value or different sources of trace metal elements. In this study, the added water-soluble nickel (Ni) toxicity to barley root elongation was studied in 17 representative Chinese soil samples with and without artificial rainwater leaching. The extractability of added Ni in soils was estimated by three sequential extractions with ethylenediaminetetraacetic acid (EDTA). The results showed that the effective concentration of EDTA extractable Ni (EC50), which caused 50% inhibition of barley root elongation, ranged from 46 to 1019 mg/kg in unleached soils and 24 to 1563 mg/kg in leached soils. Regression models for EDTA extractable Ni and total Ni added to soils against soil properties indicated that EDTA extractable Ni was significantly correlated with the total Ni added to soils and that pH was the most important control factor. Regression models for toxicity thresholds based on EDTA extractable Ni against soil properties showed that soil citrate dithionate extractable Fe was more important than soil pH in predicting Ni toxicity. These results can be used to accurately assess the risk of contaminated soils with high background values and/or different Ni sources.

ACS Style

Guangyun Zhu; Bao Jiang; Guohang Yang; Jumei Li; Yibing Ma. Toxicity Thresholds Based on EDTA Extractable Nickel and Barley Root Elongation in Chinese Soils. International Journal of Environmental Research and Public Health 2018, 15, 669 .

AMA Style

Guangyun Zhu, Bao Jiang, Guohang Yang, Jumei Li, Yibing Ma. Toxicity Thresholds Based on EDTA Extractable Nickel and Barley Root Elongation in Chinese Soils. International Journal of Environmental Research and Public Health. 2018; 15 (4):669.

Chicago/Turabian Style

Guangyun Zhu; Bao Jiang; Guohang Yang; Jumei Li; Yibing Ma. 2018. "Toxicity Thresholds Based on EDTA Extractable Nickel and Barley Root Elongation in Chinese Soils." International Journal of Environmental Research and Public Health 15, no. 4: 669.

Journal article
Published: 01 December 2016 in Journal of Environmental Management
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The difference in availability between soil metals added via biosolids and soluble salts was not taken into account in deriving the current land-applied biosolids standards. In the present study, a biosolids availability factor (BAF) approach was adopted to investigate the ecological thresholds for copper (Cu) in land-applied biosolids and biosolid-amended agricultural soils. First, the soil property-specific values of HC5add (the added hazardous concentration for 5% of species) for Cu(2+) salt amended were collected with due attention to data for organisms and soils relevant to China. Second, a BAF representing the difference in availability between soil Cu added via biosolids and soluble salts was estimated based on long-term biosolid-amended soils, including soils from China. Third, biosolids Cu HC5input values (the input hazardous concentration for 5% of species of Cu from biosolids to soil) as a function of soil properties were derived using the BAF approach. The average potential availability of Cu in agricultural soils amended with biosolids accounted for 53% of that for the same soils spiked with same amount of soluble Cu salts and with a similar aging time. The cation exchange capacity was the main factor affecting the biosolids Cu HC5input values, while soil pH and organic carbon only explained 24.2 and 1.5% of the variation, respectively. The biosolids Cu HC5input values can be accurately predicted by regression models developed based on 2-3 soil properties with coefficients of determination (R(2)) of 0.889 and 0.945. Compared with model predicted biosolids Cu HC5input values, current standards (GB4284-84) are most likely to be less protective in acidic and neutral soil, but conservative in alkaline non-calcareous soil. Recommendations on ecological criteria for Cu in land-applied biosolids and biosolid-amended agriculture soils may be helpful to fill the gaps existing between science and regulations, and can be useful for Cu risk assessments in soils amended with biosolids.

ACS Style

Tao Lu; Jumei Li; Xiaoqing Wang; Yibing Ma; Erik Smolders; Nanwen Zhu. Derivation of ecological criteria for copper in land-applied biosolids and biosolid-amended agricultural soils. Journal of Environmental Management 2016, 183, 945 -951.

AMA Style

Tao Lu, Jumei Li, Xiaoqing Wang, Yibing Ma, Erik Smolders, Nanwen Zhu. Derivation of ecological criteria for copper in land-applied biosolids and biosolid-amended agricultural soils. Journal of Environmental Management. 2016; 183 ():945-951.

Chicago/Turabian Style

Tao Lu; Jumei Li; Xiaoqing Wang; Yibing Ma; Erik Smolders; Nanwen Zhu. 2016. "Derivation of ecological criteria for copper in land-applied biosolids and biosolid-amended agricultural soils." Journal of Environmental Management 183, no. : 945-951.

Journal article
Published: 01 November 2016 in Soil and Tillage Research
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ACS Style

Shumin Li; Jumei Li; Changsheng Li; Shaomin Huang; Xiuying Li; Shengxiu Li; Yibing Ma. Testing the RothC and DNDC models against long-term dynamics of soil organic carbon stock observed at cropping field soils in North China. Soil and Tillage Research 2016, 163, 290 -297.

AMA Style

Shumin Li, Jumei Li, Changsheng Li, Shaomin Huang, Xiuying Li, Shengxiu Li, Yibing Ma. Testing the RothC and DNDC models against long-term dynamics of soil organic carbon stock observed at cropping field soils in North China. Soil and Tillage Research. 2016; 163 ():290-297.

Chicago/Turabian Style

Shumin Li; Jumei Li; Changsheng Li; Shaomin Huang; Xiuying Li; Shengxiu Li; Yibing Ma. 2016. "Testing the RothC and DNDC models against long-term dynamics of soil organic carbon stock observed at cropping field soils in North China." Soil and Tillage Research 163, no. : 290-297.

Review
Published: 01 April 2015 in Ying yong sheng tai xue bao = The journal of applied ecology
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ACS Style

Chen-Liang Cao; Yi-Bing Ma; Ju-Mei Li; Dong-Pu Wei; Yi Shi. [Tobacco cadmium health risk assessment and reduction techniques: A review]. Ying yong sheng tai xue bao = The journal of applied ecology 2015, 26, 1 .

AMA Style

Chen-Liang Cao, Yi-Bing Ma, Ju-Mei Li, Dong-Pu Wei, Yi Shi. [Tobacco cadmium health risk assessment and reduction techniques: A review]. Ying yong sheng tai xue bao = The journal of applied ecology. 2015; 26 (4):1.

Chicago/Turabian Style

Chen-Liang Cao; Yi-Bing Ma; Ju-Mei Li; Dong-Pu Wei; Yi Shi. 2015. "[Tobacco cadmium health risk assessment and reduction techniques: A review]." Ying yong sheng tai xue bao = The journal of applied ecology 26, no. 4: 1.

Journal article
Published: 01 April 2014 in Ying yong sheng tai xue bao = The journal of applied ecology
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ACS Style

Chuang Xu; Song-Shan Wang; Ju-Mei Li; Yi-Bing Ma; Wen-Tao Sun; Lei Luo; Shu-Zhen Zhang. [Effects of long-term fertilization on evolution of S forms in a red soil and a black soil]. Ying yong sheng tai xue bao = The journal of applied ecology 2014, 25, 1 .

AMA Style

Chuang Xu, Song-Shan Wang, Ju-Mei Li, Yi-Bing Ma, Wen-Tao Sun, Lei Luo, Shu-Zhen Zhang. [Effects of long-term fertilization on evolution of S forms in a red soil and a black soil]. Ying yong sheng tai xue bao = The journal of applied ecology. 2014; 25 (4):1.

Chicago/Turabian Style

Chuang Xu; Song-Shan Wang; Ju-Mei Li; Yi-Bing Ma; Wen-Tao Sun; Lei Luo; Shu-Zhen Zhang. 2014. "[Effects of long-term fertilization on evolution of S forms in a red soil and a black soil]." Ying yong sheng tai xue bao = The journal of applied ecology 25, no. 4: 1.

Journal article
Published: 01 July 2013 in Ecotoxicology and Environmental Safety
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Predicting the mobility, bioavailability and transfer of cadmium (Cd) in the soil-plant system is of great importance with regards to food safety and environmental management. In this study, the transfer characteristics of Cd (exogenous salts) from a wide range of Chinese soils to spinach (Spinacia oleracea L.) were investigated. The major controlling factors and prediction equations for Cd transfer in the soil-plant system were also investigated. The results showed that plant Cd concentration was positively correlated with soil Cd concentration. The maximum transfer factor (ratio of the Cd concentration in the plant to that in the soil) was found in acid soils. The extended Freundlich-type function was able to describe the Cd transfer from soil to spinach plants. Combining soil total Cd, pH and organic carbon (OC) content in the prediction equation greatly improved the correlation performance compared with predictions based on total Cd only. A slight protection effect of OC on Cd uptake was observed at low soil Cd concentrations. The results are a useful tool that can be used to predict Cd transfer from soil to plant.

ACS Style

Zhenfei Liang; Qiong Ding; Dongpu Wei; Jumei Li; Shibao Chen; Yibing Ma. Major controlling factors and predictions for cadmium transfer from the soil into spinach plants. Ecotoxicology and Environmental Safety 2013, 93, 180 -185.

AMA Style

Zhenfei Liang, Qiong Ding, Dongpu Wei, Jumei Li, Shibao Chen, Yibing Ma. Major controlling factors and predictions for cadmium transfer from the soil into spinach plants. Ecotoxicology and Environmental Safety. 2013; 93 ():180-185.

Chicago/Turabian Style

Zhenfei Liang; Qiong Ding; Dongpu Wei; Jumei Li; Shibao Chen; Yibing Ma. 2013. "Major controlling factors and predictions for cadmium transfer from the soil into spinach plants." Ecotoxicology and Environmental Safety 93, no. : 180-185.

Journal article
Published: 01 January 2013 in Acta Agronomica Sinica
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ACS Style

Xu Tang; Yi Chen; Chun-Yan Wu; Sheng-Mao Yang; Yu-Xue Liu; Hao-Hao Lü; Yi-Bing Ma; Ju-Mei Li. Fertilizer Efficiency and Soil Apparent Nutrient Balance for Barley under Long-Term Fertilization. Acta Agronomica Sinica 2013, 39, 1 .

AMA Style

Xu Tang, Yi Chen, Chun-Yan Wu, Sheng-Mao Yang, Yu-Xue Liu, Hao-Hao Lü, Yi-Bing Ma, Ju-Mei Li. Fertilizer Efficiency and Soil Apparent Nutrient Balance for Barley under Long-Term Fertilization. Acta Agronomica Sinica. 2013; 39 (4):1.

Chicago/Turabian Style

Xu Tang; Yi Chen; Chun-Yan Wu; Sheng-Mao Yang; Yu-Xue Liu; Hao-Hao Lü; Yi-Bing Ma; Ju-Mei Li. 2013. "Fertilizer Efficiency and Soil Apparent Nutrient Balance for Barley under Long-Term Fertilization." Acta Agronomica Sinica 39, no. 4: 1.

Journal article
Published: 01 September 2012 in Journal of Integrative Agriculture
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ACS Style

Qiong Li; Ju-Mei Li; Xi-Long Cui; Dong-Pu Wei; Yi-Bing Ma. On-Farm Assessment of Biosolids Effects on Nitrogen and Phosphorus Accumulation in Soils. Journal of Integrative Agriculture 2012, 11, 1545 -1554.

AMA Style

Qiong Li, Ju-Mei Li, Xi-Long Cui, Dong-Pu Wei, Yi-Bing Ma. On-Farm Assessment of Biosolids Effects on Nitrogen and Phosphorus Accumulation in Soils. Journal of Integrative Agriculture. 2012; 11 (9):1545-1554.

Chicago/Turabian Style

Qiong Li; Ju-Mei Li; Xi-Long Cui; Dong-Pu Wei; Yi-Bing Ma. 2012. "On-Farm Assessment of Biosolids Effects on Nitrogen and Phosphorus Accumulation in Soils." Journal of Integrative Agriculture 11, no. 9: 1545-1554.

Journal article
Published: 01 August 2012 in Geoderma
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ACS Style

Xu Tang; Benjamin H. Ellert; Xiying Hao; Yibing Ma; Elaine Nakonechny; Jumei Li. Temporal changes in soil organic carbon contents and δ13C values under long-term maize–wheat rotation systems with various soil and climate conditions. Geoderma 2012, 183-184, 67 -73.

AMA Style

Xu Tang, Benjamin H. Ellert, Xiying Hao, Yibing Ma, Elaine Nakonechny, Jumei Li. Temporal changes in soil organic carbon contents and δ13C values under long-term maize–wheat rotation systems with various soil and climate conditions. Geoderma. 2012; 183-184 ():67-73.

Chicago/Turabian Style

Xu Tang; Benjamin H. Ellert; Xiying Hao; Yibing Ma; Elaine Nakonechny; Jumei Li. 2012. "Temporal changes in soil organic carbon contents and δ13C values under long-term maize–wheat rotation systems with various soil and climate conditions." Geoderma 183-184, no. : 67-73.

Journal article
Published: 28 February 2009 in Field Crops Research
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ACS Style

Yibing Ma; Jumei Li; Xiuying Li; Xu Tang; Yongchao Liang; Shaomin Huang; Boren Wang; Hua Liu; Xueyun Yang. Phosphorus accumulation and depletion in soils in wheat–maize cropping systems: Modeling and validation. Field Crops Research 2009, 110, 207 -212.

AMA Style

Yibing Ma, Jumei Li, Xiuying Li, Xu Tang, Yongchao Liang, Shaomin Huang, Boren Wang, Hua Liu, Xueyun Yang. Phosphorus accumulation and depletion in soils in wheat–maize cropping systems: Modeling and validation. Field Crops Research. 2009; 110 (3):207-212.

Chicago/Turabian Style

Yibing Ma; Jumei Li; Xiuying Li; Xu Tang; Yongchao Liang; Shaomin Huang; Boren Wang; Hua Liu; Xueyun Yang. 2009. "Phosphorus accumulation and depletion in soils in wheat–maize cropping systems: Modeling and validation." Field Crops Research 110, no. 3: 207-212.

Journal article
Published: 23 September 2008 in Field Crops Research
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ACS Style

Xu Tang; Jumei Li; Yibing Ma; Xiying Hao; Xiuying Li. Phosphorus efficiency in long-term (15 years) wheat–maize cropping systems with various soil and climate conditions. Field Crops Research 2008, 108, 231 -237.

AMA Style

Xu Tang, Jumei Li, Yibing Ma, Xiying Hao, Xiuying Li. Phosphorus efficiency in long-term (15 years) wheat–maize cropping systems with various soil and climate conditions. Field Crops Research. 2008; 108 (3):231-237.

Chicago/Turabian Style

Xu Tang; Jumei Li; Yibing Ma; Xiying Hao; Xiuying Li. 2008. "Phosphorus efficiency in long-term (15 years) wheat–maize cropping systems with various soil and climate conditions." Field Crops Research 108, no. 3: 231-237.