Changai Lu
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View article: Substrate stoichiometry and microbial metabolic preference drive the divergent accumulation of plant and microbial necromass carbon in cropland soils: evidence from a short-term experiment
Substrate stoichiometry and microbial metabolic preference drive the divergent accumulation of plant and microbial necromass carbon in cropland soils: evidence from a short-term experiment Open
Substrate input and subsequent ex vivo modification and in vivo turnover mediated by microbial systems determine the formation of soil organic carbon (C). However, the effects and mechanisms by which substrate stoichiometry (SS) adapts to …
View article: Hydrochar as a Potential Soil Conditioner for Mitigating H+ Production in the Nitrogen Cycle: A Comparative Study
Hydrochar as a Potential Soil Conditioner for Mitigating H+ Production in the Nitrogen Cycle: A Comparative Study Open
Pyrochar has been identified as a favorable soil conditioner that can effectively ameliorate soil acidification. Hydrochar is considered a more affordable carbon material than pyrochar, but its effect on the process of soil acidification h…
View article: Phosphorus Functional Genes Control Rice Yield via Microbial Biomass Phosphorus and Plant Phosphorus Uptake in a Rice–Oilseed Rape Rotation System Compared with a Rice–Wheat Rotation System
Phosphorus Functional Genes Control Rice Yield via Microbial Biomass Phosphorus and Plant Phosphorus Uptake in a Rice–Oilseed Rape Rotation System Compared with a Rice–Wheat Rotation System Open
Crop rotation and microbial driving force significantly influence soil phosphorus (P) bioavailability and crop yield. However, differences in underlying microbial mechanisms in rotations remain unclear. We examined rice yield, P uptake, so…
View article: Short-Term Effects of Incorporation Depth of Straw Combined with Manure During the Fallow Season on Maize Production, Water Efficiency, and Nutrient Utilization in Rainfed Regions
Short-Term Effects of Incorporation Depth of Straw Combined with Manure During the Fallow Season on Maize Production, Water Efficiency, and Nutrient Utilization in Rainfed Regions Open
Diminishing soil fertility and crop productivity due to traditional intensive cultivation has prompted the use of straw and manure to improve soil health in Northeast China. However, few comparative studies have explored the influence of v…
View article: Comment on egusphere-2024-330
Comment on egusphere-2024-330 Open
Abstract. Soil mineralization, the process of organic to inorganic N which balances the N uptake by crop and N loss to environment, was always quantified by short-term (one day to thirty weeks) incubation experiment. However, the residuary…
View article: Comment on egusphere-2024-330
Comment on egusphere-2024-330 Open
Abstract. Soil mineralization, the process of organic to inorganic N which balances the N uptake by crop and N loss to environment, was always quantified by short-term (one day to thirty weeks) incubation experiment. However, the residuary…
View article: Discrepant long-term nitrogen mineralization in soil at early and later period after fertilization
Discrepant long-term nitrogen mineralization in soil at early and later period after fertilization Open
Soil mineralization, the process of organic to inorganic N which balances the N uptake by crop and N loss to environment, was always quantified by short-term (one day to thirty weeks) incubation experiment. However, the residuary effect of…
View article: Response of maize yield and nitrogen recovery efficiency to nitrogen fertilizer application in field with various soil fertility
Response of maize yield and nitrogen recovery efficiency to nitrogen fertilizer application in field with various soil fertility Open
Appropriate nitrogen (N) management system is essential for effective crop productivity and minimizing agricultural pollution. However, the underlying mechanistic understanding of how N fertilizer regulates crop yield via soil properties i…
View article: Mechanism of Potassium Release from Feldspar by Mechanical Activation in Presence of Additives at Ordinary Temperatures
Mechanism of Potassium Release from Feldspar by Mechanical Activation in Presence of Additives at Ordinary Temperatures Open
To improve the potassium availability of feldspar at ordinary temperatures, the mechanical grinding and addition of sodium hydroxide/salts were employed to study the effects of mechanical activation and strong alkali addition on particle c…
View article: Layered-Strip Fertilization Improves Nitrogen Use Efficiency by Enhancing Absorption and Suppressing Loss of Urea Nitrogen
Layered-Strip Fertilization Improves Nitrogen Use Efficiency by Enhancing Absorption and Suppressing Loss of Urea Nitrogen Open
Appropriate deep application of fertilizer is the key basis for improving nitrogen use efficiency (NUE). However, the effects of different deep application methods and fertilizer types on nutrient migration, NUE and biomass in wheat season…
View article: Effect of replacing synthetic nitrogen fertilizer with animal manure on grain yield and nitrogen use efficiency in China: a meta‐analysis
Effect of replacing synthetic nitrogen fertilizer with animal manure on grain yield and nitrogen use efficiency in China: a meta‐analysis Open
To reduce reliance on synthetic nitrogen (N) fertilizer and sustain food production, replacing synthetic N fertilizer with animal manure as an effective method is widely used. However, the effects of replacing synthetic N fertilizer with a…
View article: Pathways and Drivers of Gross N Transformation in Different Soil Types under Long-Term Chemical Fertilizer Treatments
Pathways and Drivers of Gross N Transformation in Different Soil Types under Long-Term Chemical Fertilizer Treatments Open
Microbial-mediated nitrogen (N) dynamics is not only a key process for crop productivity, but also a driver for N losses. Therefore, a better understanding of N dynamics and controlling factors in different soil types is needed to better m…
View article: Integrated management of crop residue and nutrient enhances new carbon formation by regulating microbial taxa and enzymes
Integrated management of crop residue and nutrient enhances new carbon formation by regulating microbial taxa and enzymes Open
Although returning crop residue to fields is a recommended measure for improving soil carbon (C) stocks in agroecosystems, the response of newly formed soil C (NFC) to the integrated supply of residue and nutrients and the microbial mechan…
View article: Increasing soil microbial biomass nitrogen in crop rotation systems by improving nitrogen resources under nitrogen application
Increasing soil microbial biomass nitrogen in crop rotation systems by improving nitrogen resources under nitrogen application Open
Soil microbial biomass nitrogen (MBN) contains the largest proportion of biologically active nitrogen (N) in soil, and is considered as a crucial participant in soil N cycling. Agronomic management practices such as crop rotation and mono-…
View article: Optimizing nitrogen fertilizer use for more grain and less pollution
Optimizing nitrogen fertilizer use for more grain and less pollution Open
Optimal nitrogen (N) management is critical for efficient crop production and agricultural pollution control. However, it is difficult to implement advanced management practices on smallholder farms due to a lack of knowledge and technolog…
View article: Assessment of the contribution percentage of inherent soil productivity of cultivated land in China
Assessment of the contribution percentage of inherent soil productivity of cultivated land in China Open
The contribution percentage of inherent soil productivity (CPISP) refers to the ratio of crop yields under no-fertilization versus under conventional fertilization with the same field management. CPISP is a comprehensive measure of soil fe…
View article: The efficiency of long-term straw return to sequester organic carbon in Northeast China's cropland
The efficiency of long-term straw return to sequester organic carbon in Northeast China's cropland Open
Black soil is one of the most precious soil resources on earth because it has abundant carbon stocks and a relatively high production capacity. However, decreasing organic matter after land reclamation, and the effects of long-term inputs …