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Real-time Forecast of Irrigation

Mao Zhi,Li Yuanhua,Li Huichang

Strategic Study of CAE 2002, Volume 4, Issue 5,   Pages 24-33

Abstract:

The real-time forecast of irrigation is one of the essential part of the work for compiling a dynamicplan of irrigation water use.It plays an important role in saving water, increasing crop yields and economic benefits in an irrigationforecast of water requirements of crops is the essential and difficult part in the real-time foreast of irrigationforecast including the real-time forecast of the date and quota of irrigation for both dry food crops

Keywords： irrigation     real-time forecast     evapotranspiration     irrigation schedule    

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Long-term simulation of growth stage-based irrigation scheduling in maize under various water constraints

Quanxiao FANG, Liwang MA, Lajpat Rai AHUJA, Thomas James TROUT, Robert Wayne MALONE, Huihui ZHANG, Dongwei GUI, Qiang YU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 172-184 doi: 10.15302/J-FASE-2017139

Abstract: Due to varying crop responses to water stress at different growth stages, scheduling irrigation is aThe objective of this study was to optimize irrigation between the vegetative (V) and reproductive (RThe most suitable irrigation between V and R phases of maize was identified as 60/100, 80/100, and 100When a monthly water limit was imposed, the corresponding suitable irrigation targets between V and RIrrigation targets for producing higher crop yield with reduced risk of poor yield were discussed for

Keywords： RZWQM     ET-based irrigation schedule     maize     water constrains    

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Water Saving Irrigation for Rice and Its Effect on Environment

Mao Zhi

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 8-16

Abstract: In this paper, based on the results of experiment and the experience of spread of these new irrigationregimes, the following four main kinds of water saving irrigation regimes in China have been classified

Keywords： rice     water saving irrigation     irrigation regime     potential of water-saving     enviromental impact    

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Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 165-171 doi: 10.15302/J-FASE-2017145

Abstract: parameters of droplet strike damage and avoid flower injury due to the unsuitable practices during sprinkler irrigation, an indoor experiment of irrigation droplet impact on cyclamen was conducted.The results showed that a damage area of <1% represents a safe irrigation level, 1%–3% slight damageEquations of application intensity, specific power with sprinkler irrigation time and flower injury ratioWhen the duration of sprinkler irrigation was 1, 5 and 10 min, the threshold of impinging damage of application

Keywords： application intensity     damage     floriculture     flowers     specific power     sprinkler irrigation    

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The origins of schedule management: the concepts used in planning, allocating, visualizing and managing

Lynda M. BOURNE, Patrick WEAVER

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 150-166 doi: 10.15302/J-FEM-2018012

Abstract: Getting the in the at the has always been a major organizational challenge. In ancient times this process seems to have been accomplished based on the scheme of arrangements being contained in the leader’s mind and instructions communicated verbally. Modern approaches to solving the twin challenges of first thinking through the ‘plan’ and then communicating the plan to the people who need to do ‘ ’ use sophisticated graphics, charts, diagrams, and computations. This paper traces the development of the concepts most project managers take for granted including bar charts and critical path schedules from their origins (which are far earlier than most people think) through to the modern day. The first section of the paper looks at the development of concepts that allow the visualization of time and other data. The second looks at the shift from static representations to dynamic modeling through the emergence of computers, dynamic calculations and integrated data from the 1950s to the present time.

Keywords： time management     scheduling     CPM     PERT     Gantt     Critical Path     bar chart    

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Effects of irrigation and nitrogen management on hybrid maize seed production in north-west China

Hui RAN,Shaozhong KANG,Fusheng LI,Ling TONG,Taisheng DU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 55-64 doi: 10.15302/J-FASE-2016091

Abstract: Scientific irrigation and nitrogen management is important for agricultural production in arid areas.( ) of maize for seed production with plastic film-mulching, field experiments including different irrigationThe results indicated that kernel number per plant ( ) was significantly affected by irrigation and NReducing irrigation quantity significantly increased stem partitioning index ( ) and leaf partitioningwas significantly reduced by reducing irrigation quantity, but not by reducing N rate.

Keywords： yield components     biomass partitioning     harvest index     irrigation     nitrogen     maize for seed production    

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Alternate partial root-zone irrigation with high irrigation frequency improves root growth and reduces

Shaoqing DU, Ling TONG, Shaozhong KANG, Fusheng LI, Taisheng DU, Sien LI, Risheng DING

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 188-196 doi: 10.15302/J-FASE-2017176

Abstract: Alternate partial root-zone irrigation (APRI) can improve water use efficiency in arid areas.A two-year field experiment was conducted with two irrigation amounts (400 and 500 mm) and three irrigationmethods (conventional irrigation, APRI with high and low frequencies).The results show that in comparison with conventional irrigation, APRI with high frequency significantlyOverall, alternate partial root-zone irrigation with high frequency has a great potential to promote

Keywords： alternate partial root-zone irrigation     apple tree     leaf water use efficiency     root length density     stomatal    

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Schedule Compression Impact on Construction Project Safety

Curt Webb,Lu Gao,Ling-guang Song

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 344-350 doi: 10.15302/J-FEM-2015059

Abstract: In addition, construction schedulers are frequently forced to incorporate aggressive schedule compressionAs already discussed by previous researchers, these schedule compression techniques have direct impactsResearchers have also pointed out that schedule compression will affect safety incidents such as Occupationalproductivity and project quality, and minimal research has been done to directly quantify the effect of schedulethis research, we conducted a survey and statistical analysis to investigate the relationship between schedule

Keywords： construction safety     schedule compression     overtime     work shift     Hurdle model    

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Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 251-267 doi: 10.15302/J-FEM-2018086

Abstract: In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properlyin construction projects, limited efforts have been made to investigate the typical and the overall scheduleIn this study, our aim is to detect the typical and overall schedule delay risk throughout the construction

Keywords： fuzzy analytic hierarchy process comprehensive evaluation     construction project     detection of delay risk     relative important index    

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PLANT DENSITY, IRRIGATION AND NITROGEN MANAGEMENT: THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4, doi: 10.15302/J-FASE -2020355

Abstract: conducted on a 3.9-ha maize seed production field in arid north-western China, managed with border and drip irrigationHowever, drip irrigation saved 227 mm irrigation water during a drier growing season compared with traditionalborder irrigation, accounting for 44% of the maize evapotranspiration (ET).Yield variability under drip irrigation was 12.1%, lower than the 18.8% under border irrigation.and fertilizer management, using water-saving irrigation methods and using site-specific management.

Keywords： boundary line analysis     irrigation method     precision agriculture     spatial variability     yield gaps    

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Influence of the sewage irrigation on the agricultural soil properties in Tongliao City, China

Hong YAO, Shichao ZHANG, Xiaobo XUE, Jie YANG, Kelin HU, Xiaohua YU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 273-280 doi: 10.1007/s11783-013-0497-0

Abstract: Increasing shortages of fresh water has led to greater use of treated wastewater for irrigation of cropsThis study evaluates the spatial variability of soil properties after irrigation with wastewater andWastewater irrigation resulted in higher TN, TP and OM concentrations by 18.4%, 8% and 25%, respectivelyanalysis of pH levels at different depths for the three sites showed that pH values for wastewater irrigation

Keywords： spatial variability     soil properties     groundwater and sewage irrigation    

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Restoring soil health to reduce irrigation demand and buffer the impacts of drought

Rebecca SCHNEIDER, Stephen MORREALE, Zhigang LI, Erin MENZIES PLUER, Kirsten KURTZ, Xilu NI, Cuiping WANG, Changxiao LI, Harold VAN ES

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 339-346 doi: 10.15302/J-FASE-2020348

Abstract:

Irrigation consumes three quarters of global water withdrawals each year.Strategies are needed to reduce irrigation water use, including increasing the efficiency of transferrestoration of soil health, specifically through organic matter amendments, can substantially reduce irrigation

Keywords： drought     irrigation     restoration     soil health     woodchips    

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YIELD AND FRUIT QUALITY OF ALMOND, PEACH AND PLUM UNDER REGULATED DEFICIT IRRIGATION

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 583-593 doi: 10.15302/J-FASE -2020325

Abstract:

The effects of regulated deficit irrigation (RDI) on the performance of almond cv.Irrigation treatments consisted of a control, irrigation applied to fully satisfy crop water requirements(100% ETC), and two RDI treatments, irrigation applied to 75% ETC (RDI-75

Keywords： fruit quality / fruit yield / Prunus domestica / Prunus dulcis / Prunus persica / regulated deficit irrigation    

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The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 269-278 doi: 10.1007/s11783-014-0672-y

Abstract: variability in the urban landscapes with respect to the possible influence of texture stratification and irrigationIn the profile where irrigation was sufficient to maintain moisture above field capacity, gravity flowAt the irrigated site, frequent irrigation neutralized the influence of evapotranspiration in the upper

Keywords： moisture vertical distribution     moisture temporal variation     texture stratification     irrigation     meteorological    

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Study on Intelligent Decision - making Support System for Water Saving Irrigation Management

Wang Zhinong,Lü Hongxing,Wang Mixia,Xiong Yunzhang,Ma Xiaoyi

Strategic Study of CAE 2001, Volume 3, Issue 7,   Pages 48-53

Abstract: p>By using the techniques of expert system of artificial intelligence, three different water saving irrigationmanagement decision-making support systems have been developed and integrated, namely Irrigation forecastand decision making of water saving irrigation, planning water use and water distribution in an irrigationdistrict, and management system reform in irrigation district.The research, development, spread and application of water saving irrigation management intelligent decision-making

Keywords： irrigation forecast     water saving irrigation     irrigation management     intelligent decision-making support    

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Title Author Date Type Operation

Real-time Forecast of Irrigation

Mao Zhi,Li Yuanhua,Li Huichang

Journal Article

Long-term simulation of growth stage-based irrigation scheduling in maize under various water constraints

Quanxiao FANG, Liwang MA, Lajpat Rai AHUJA, Thomas James TROUT, Robert Wayne MALONE, Huihui ZHANG, Dongwei GUI, Qiang YU

Journal Article

Water Saving Irrigation for Rice and Its Effect on Environment

Mao Zhi

Journal Article

Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Journal Article

The origins of schedule management: the concepts used in planning, allocating, visualizing and managing

Lynda M. BOURNE, Patrick WEAVER

Journal Article

Effects of irrigation and nitrogen management on hybrid maize seed production in north-west China

Hui RAN,Shaozhong KANG,Fusheng LI,Ling TONG,Taisheng DU

Journal Article

Alternate partial root-zone irrigation with high irrigation frequency improves root growth and reduces

Shaoqing DU, Ling TONG, Shaozhong KANG, Fusheng LI, Taisheng DU, Sien LI, Risheng DING

Journal Article

Schedule Compression Impact on Construction Project Safety

Curt Webb,Lu Gao,Ling-guang Song

Journal Article

Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Journal Article

PLANT DENSITY, IRRIGATION AND NITROGEN MANAGEMENT: THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL

Journal Article

Influence of the sewage irrigation on the agricultural soil properties in Tongliao City, China

Hong YAO, Shichao ZHANG, Xiaobo XUE, Jie YANG, Kelin HU, Xiaohua YU

Journal Article

Restoring soil health to reduce irrigation demand and buffer the impacts of drought

Rebecca SCHNEIDER, Stephen MORREALE, Zhigang LI, Erin MENZIES PLUER, Kirsten KURTZ, Xilu NI, Cuiping WANG, Changxiao LI, Harold VAN ES

Journal Article

YIELD AND FRUIT QUALITY OF ALMOND, PEACH AND PLUM UNDER REGULATED DEFICIT IRRIGATION

Journal Article

The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Journal Article

Study on Intelligent Decision - making Support System for Water Saving Irrigation Management

Wang Zhinong,Lü Hongxing,Wang Mixia,Xiong Yunzhang,Ma Xiaoyi

Journal Article