Lijun Su

ORCID: 0000-0003-3945-0570
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About
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Research Areas
  • Soil and Unsaturated Flow
  • Irrigation Practices and Water Management
  • Soil erosion and sediment transport
  • Greenhouse Technology and Climate Control
  • Groundwater flow and contamination studies
  • Plant Water Relations and Carbon Dynamics
  • Landslides and related hazards
  • Soil Moisture and Remote Sensing
  • Hydrology and Watershed Management Studies
  • Numerical methods in engineering
  • Soil Carbon and Nitrogen Dynamics
  • Dam Engineering and Safety
  • Polymer-Based Agricultural Enhancements
  • Climate change and permafrost
  • Soil and Water Nutrient Dynamics
  • Remote Sensing in Agriculture
  • Plant responses to water stress
  • Climate change impacts on agriculture
  • Hydrology and Sediment Transport Processes
  • Advanced Mathematical Modeling in Engineering
  • Research in Cotton Cultivation
  • Rice Cultivation and Yield Improvement
  • Crop Yield and Soil Fertility
  • Magnetic and Electromagnetic Effects
  • Environmental and Agricultural Sciences

Xi'an University of Technology
2016-2025

Institute of Mountain Hazards and Environment
2020

Xi'an University of Architecture and Technology
2009-2010

Changjiang Institute of Survey, Planning, Design and Research
2007

Changjiang Water Resources Commission
2007

Hubei University of Technology
2006

Hong Kong Polytechnic University
2006

City University of Hong Kong
2006

Introduction Arid and semi-arid regions encompass nearly 40% of the Earth’s land surface are characterized by extensive undeveloped land, scarce water resources, fragile ecosystems. The arid northwestern China is a representative region. It has developed rapidly in recent years, leading to significant increase human activity. This increased activity had pronounced impact on ecosystem, posing major challenge environment. close relationship between activities ecosystem service value (ESV)...

10.3389/fevo.2023.1307274 article EN cc-by Frontiers in Ecology and Evolution 2024-01-09

The long-term utilization of inorganic fertilizers in pakchoi cultivation can result increased nitrate levels, potentially posing health risks to human consumers. For this study, we investigated the efficacy organic as a promising alternative for enhancing soil structure, improving fertility, and increasing yield pakchoi. A two-year field trial was conducted from 2022 2023 examine effects combined application fertilizer on growth Three types irrigation water, namely fresh water (F), brackish...

10.3390/agronomy13102468 article EN cc-by Agronomy 2023-09-25

Meteorological conditions and irrigation amounts are key factors that affect crop growth processes. Typically, development modeled as a function of time or growing degree days (GDD). Although the most important component GDD is temperature, it can vary significantly year to while also gradually shifting due climate changes. However, cotton highly sensitive various meteorological factors, reference evapotranspiration (ETO) integrates primary responsible for global dryland extension aridity...

10.1038/s41598-023-34552-7 article EN cc-by Scientific Reports 2023-05-05

Simulation models of leaf area index (LAI) and yield for cotton can provide a theoretical foundation predicting future variations in yield. This paper analyses the increase LAI relationships between LAI, dry matter, under three soil conditioners near Korla, Xinjiang, China. Dynamic changes were evaluated using modified logistic, Gaussian, log normal, cubic polynomial models. Universal simulating relative (RLAI) established which application rate conditioner was used to estimate maximum...

10.1371/journal.pone.0141835 article EN cc-by PLoS ONE 2015-11-04

This study presents an improved detection model based on the YOLOv5 (You Only Look Once version 5) framework to enhance accuracy of Jishan jujube in complex natural environments, particularly with varying degrees occlusion and dense foliage. To improve performance, we integrate SE (squeeze-and-excitation) attention module into backbone network model’s ability focus target objects while suppressing background noise. Additionally, original neck is replaced a BIFPN (bi-directional feature...

10.3390/agriculture15060665 article EN cc-by Agriculture 2025-03-20

Abstract. The study of mechanisms debris-flow formation and movement is constrained by the lack comprehensive long-term field monitoring data. In 1961, Dongchuan Debris Flow Observation Research Station (DDFORS) was established in highly active catchment Jiangjia Ravine to conduct continuous observations debris flows. With advancement technology, more high-precision instruments have been employed monitor entire process This paper presents a unique dataset flow hydrometeorological collected...

10.5194/essd-2025-190 preprint EN cc-by 2025-04-25

Superabsorbent polymers have been used widely in agricultural production arid and semi-arid regions to manage the soil water holding capacity. As common water-retention polymers, molecular weights, structures of polyacrylamide (PAM) sodium carboxymethylcellulose (CMC) are obviously different. Modified management with (i.e., PAM CMC) has shown great promise for conservation. Few researchers reported comparison effects CMC on infiltration characteristics, especially coarse-textured soils sandy...

10.1155/2019/6869454 article EN cc-by Advances in Polymer Technology 2019-12-17

Abstract Crop growth depends on the cumulative temperature of crop growing season, and degree days (GDD) is presently widely used as an index effective accumulated temperature. However, there are few reports relationship model between cotton ( Gossypium hirsutum L.) GDD. Based meteorological data published document from Xinjiang region in past 12 yr, we GDD to replace after sowing establish a for under drip irrigation with film mulch Xinjiang, China. In order analyze effects different...

10.1002/agj2.20667 article EN Agronomy Journal 2021-04-12

The issues of limited water availability and excessive fertilizer utilization, both which negatively impact soil health crop productivity, are key focal points in the pursuit sustainable agricultural progress. Given these crucial obstacles, it is to utilize accurate methods irrigation fertilization order improve condition promote progress farming. objective this research determine optimal indicators for creating a minimal data set (MDS) that can assess influence organic fertilizers on...

10.3390/w15203618 article EN Water 2023-10-16

The integration of inorganic and organic fertilizers is increasingly being recommended to address the demand for sustainable cotton cultivation mitigate ecological impacts reliance on fertilizers. However, nuanced effects this combined fertilization approach soil quality, growth, yield, their interaction mechanisms, remain unclear.

10.1002/jsfa.13673 article EN Journal of the Science of Food and Agriculture 2024-06-26

Xiangxiang, W., Quanjiu, Jun, F., Lijun, S. and Xinlei, 2014. Logistic model analysis of winter wheat growth on China's Loess Plateau. Can. J. Plant Sci. 94: 1471–1479. The leaf area index (LAI) above-ground biomass are closely related to crop status yields. Therefore, their variation development a mathematical for prediction can provide theoretical basis further research. This paper presents new equation logistic pattern that calculates LAI different irrigation treatments independent...

10.4141/cjps2013-293 article EN Canadian Journal of Plant Science 2014-06-26

Saline-alkaline stress suppresses rice growth and threatens crop production. Despite substantial research on rice's tolerance to saline-alkaline stress, fewer studies have examined the impact of magnetic water treatments saline-alkaline-stressed plants. We explored physiological molecular mechanisms involved in enhancement via irrigation with magnetized using Nipponbare. The Nipponbare plants was inhibited by but this inhibition alleviated irrigating water, as evidenced greater plant height,...

10.3390/ijms231710048 article EN International Journal of Molecular Sciences 2022-09-02

The contradiction between water demand and supply in the Yellow River Delta restricts corn yield region. It is of great significance to formulate reasonable irrigation strategies alleviate regional use improve yield. Based on typical hydrological years (wet year, normal dry year), this study used coupling model AquaCrop, multi-objective genetic algorithm (NSGA-III), TOPSIS-Entropy established using Python language solve problem, with objectives achieving minimum (IW), maximum (Y), production...

10.3390/agronomy13040960 article EN cc-by Agronomy 2023-03-23
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