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Advanced Irrigation Engineering： precision and Precise

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Journal of Agricultural Science and Technology(A) 2012年第1期2卷 1-9页

作者： Terry A. Howell Steven R. EveR Susan A. O＇ Shaughnessy Paul D. Colaizzi Prasanna H. Gowda USDA-ARS Conservation and Production Research Laboratory P.O. Drawer 10 Bushland TX USA

Irrigation advances in precision irrigation （PI） or site specific irrigation （SSI） have been considerable in research; however, commercialization lags. SSI/PI has applications when soil texture variability affects soil water holding capacity or when crop yield or biotic stresses （insects or diseases） are spatially variable. SSI/PI uses variable rate application technologies, mainly with center-pivots or lateral-move or linear irrigation machines, to match crop needs or soil water holding constraints. Variable rate applications are achieved by variable nozzle flow rates, pulsing nozzle flows, or multiple nozzles on separate submains. Newer center pivot and linear machines are controlled by on-board microprocessor systems that can be integrated with supervisory control and data acquisition controllers for both communication and control of the variable rate application for specific sets of nozzles or individual nozzles for management zones. Communication for center pivot or linear controllers typically uses radio telemetry, wireless interact links, or cellular telephones. precision irrigation has limited utility without precise irrigation scheduling （temporally and spatially）. Plant or soil sensors are used to initiate or complete an irrigation event. Automated weather stations provide site information for determining the irrigation requirement using crop models or simpler reference evapotranspiration （ET）, data to be used with crop coefficients. Remote sensing is being used to measure crop water status or crop development from spectral reflectance. Near-surface remote sensing with sensors mounted on moving irrigation systems provide critical spatial integration from point weather networks and feedback on crop ET and irrigation controls in advanced automated systems for SSI/PI.

关键词： Irrigation application technology center pivot sprinkler systems precision agriculture precision irrigation site specificirrigation irrigation scheduling soil and crop sensors.

AI Method for Improving Crop Yield Prediction Accuracy Using ANN

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Computer Systems Science & Engineering 2023年第10期47卷 153-170页

作者： T.Sivaranjani S.P.Vimal Department of Electrical and Electronics Engineering V.S.B College of Engineering Technical CampusCoimbatore642109India Department of Electronics and Communication Engineering Sri Ramakrishna Engineering CollegeCoimbatore641022India

Crop Yield Prediction(CYP)is critical to world food *** safety is a top priority for *** rely on reliable CYP to make import and export decisions that must be fulfilled before launching an agricultural *** Yield(CY)is a complex variable influenced by multiple factors,including genotype,environment,and their *** is a significant agrarian ***,CYP is the main task due to many composite factors,such as climatic conditions and soil *** Learning(ML)is a powerful tool for supporting CYP decisions,including decision support on which crops to grow in a specific ***,Artificial Neural Networks(ANN)are usually used to predict the behaviour of complex non-linear *** a result,this research paper attempts to determine the correlations between climatic variables,soil nutrients,and CYwith the available ***,threemethods,Levenberg-Marquardt(LM),Bayesian regularisation(BR),and scaled conjugate gradient(SCG),are used to train the neural network(NN)model and then compared to determine prediction *** performance measures of the training,as declared above,such as Mean Squared Error(MSE)and correlation coefficient(R),were determined to assess the ANN models that had been *** experimental study proves that LM training algorithms are better,while BR and SCG have minimal performance.

关键词： Crop prediction accuracy ANN precision agriculture crop yield

The development of Conservation agriculture in Australia--Farmers as innovators

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International Soil and Water Conservation Research 2014年第1期2卷 21-34页

作者： B.Bellotti J.F.Rochecouste Vincent Fairfax Professor of Sustainable agriculture and Rural Development University of Western SydneyAustralia National Executive Officer Conservation Agriculture Alliance of Australia and New Zealand

The Australian story of farmer innovation in Conservation agriculture reveals a complex interplay of policy,economics,science,and *** experimentation with Conservation agriculture began in the 1960’s and has continued to this day where around 80%-90%of Australia’s 23.5 million hectares of winter crops are now grown using Conservation agriculture *** remarkable achievement is the result of both sustained investment in agricultural research and development and farmer *** economic settings and science policies have encouraged and facilitated farmer participation in the Conservation Agricultural innovation *** farmers have embraced Conservation agriculture because it has met their needs,maintaining productivity and profitability in the face of declining terms of trade,and sustainably intensifying production with enhanced environmental *** on individual farmer case studies,the specific strengths of farmer innovation are identified and the enabling conditions necessary for farmer innovation to flourish are discussed.

关键词： Conservation agriculture No-till Farmer associations Farmer innovation precision agriculture

PLANT DENSITY,IRRIGATION AND NITROGEN MANAGEMENT:THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL SUSTAINABILITY IN NORTH-WEST CHINA

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Frontiers of Agricultural Science and Engineering 2021年第4期8卷 525-544页

作者： Xiuwei GUO Manoj Kumar SHUKLA Di WU Shichao CHEN Donghao LI Taisheng DU Center for Agricultural Water Research in China China Agricultural UniversityBeijing 100083China Plant and Environmental Sciences Department New Mexico State UniversityLas CrucesNM 88003USA

agriculture faces the dual challenges of food security and environmental ***,we investigate current maize production at the field scale,analyze the yield gaps and impacting factors,and recommend measures for sustainably closing yield *** experiment was conducted on a 3.9-ha maize seed production field in arid north-west China,managed with border and drip irrigation,respectively,in 2015 and *** relative yield reached 70%in both ***,drip irrigation saved 227 mm irrigation water during a drier growing season compared with traditional border irrigation,accounting for 44%of the maize evapotranspiration(ET).Yield variability under drip irrigation was12.1%,lower than the 18.8%under border *** line analysis indicates that a relative yield increase of 8%to 10%might be obtained by optimizing the yield-limiting *** density and soil available water content and available nitrogen were the three major factors *** conclusion,closing yield gaps with agricultural sustainability may be realized by optimizing agronomic,irrigation and fertilizer management,using water-saving irrigation methods and using site-specific management.

关键词： boundary line analysis irrigation method precision agriculture spatial variability yield gaps yield-limiting factors

Maximizing Oil Palm Yield: Innovative Replanting Strategies for Sustainable Productivity

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Journal of Environmental & Earth Sciences 2023年第2期5卷 61-75页

作者： Ahmed Abubakar Susilawati Kasim Mohd Yusoff Ishak Md Kamal Uddin Faculty of Forestry and Environment Universiti Putra MalaysiaSerdangSelangor43400Malaysia Faculty of agriculture University Putra Malaysia SerdangSelangor43400Malaysia

This paper examines the significance of innovative replanting strategies in maximizing oil palm yield while ensuring sustainable *** a comprehensive review of literature and analysis of current practices,the major findings of this research highlighted the importance of advanced breeding and clonal selection in developing high-yielding and disease-resistant oil palm *** agriculture technologies,including IoT devices,drones,and sensors,were identified as critical tools for data-driven decision making,optimizing resource efficiency,and reducing environmental *** land use planning and agroforestry integration emerged as key strategies to balance productivity with environmental *** broader impacts of this work extend to other agricultural sectors and land use planning,offering valuable insights for policymakers and stakeholders to promote responsible and resilient agricultural *** embracing innovative replanting strategies,the oil palm industry can contribute to a more sustainable and prosperous future,balancing economic growth with environmental *** research and collaboration are essential to achieve these goals and foster a harmonious coexistence between productivity and sustainability,integrating precision agriculture technologies for resource optimization and reduced environmental impact,promoting sustainable land use planning and agroforestry integration to enhance biodiversity and ecosystem *** collaborations between governments,industry players,and research institutions for innovation and knowledge exchange is essential.

关键词： Replanting strategies Oil palm yield Sustainable productivity precision agriculture Agroforestry integration

Global achievements in sustainable land management

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International Soil and Water Conservation Research 2013年第1期1卷 1-10页

作者： Peter Motavalli Kelly Nelson Ranjith Udawatta Shibu Jose Sougata Bardhan Environmental and Atmos.Sciences University of MissouriColumbiaMOUSA Division of Plant Sciences University of MissouriColumbiaMOUSA Center for Agroforestry University of MissouriColumbiaMOUSA

Identification and development of sustainable land management is urgently required because of widespread resource degradation from poor land use *** addition,the world will need to increase food production to meet the nutritional needs of a growing global population without major environmental *** climate change and its impacts on the environment is an additional factor to consider in identifying and developing sustainable land use *** objectives of this paper are to:(1)provide a background to the need for sustainable land management,(2)identify some of its major components,and(3)discuss some examples of sustainable land management systems that are being practiced around the *** common components of this type of management are:(1)understanding the ecology of land management,(2)maintenance or enhancement of land productivity,(3)maintenance of soil quality,(4)increased diversity for higher stability and resilience,(5)provision of economic and ecosystem service benefits for communities,and(6)social *** examples of sustainable land management systems are discussed to illustrate the wide range of systems that have been developed around the world including agroforestry,conservation agriculture,and precision agricultural *** technology,allowing for geater environmental measurement and for improved access and sharing of information,provides opportunities to identify and develop more sustainable land management practices and systems for the future.

关键词： Soil degradation Ecosystem services Diversity Soil quality Agroforestry Conservation agriculture precision agriculture

From agricultural engineering and forestry engineering to biomechinfotronic engineering

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International Journal of Agricultural and Biological Engineering 2009年第1期2卷 72-78页

作者： Zheng Jiaqiang Zhou Hongping Xu Youlin Xu Linyun College of Mechanical&Electronic Engineering Nanjing Forestry UniversityNanjing 210037China

The deterioration of global environment,decreasing of biological diversity,increasing of natural disasters,exhausting of biological resources and acceleration of desertification emphasize the need to provide the human-beings with the suitable ***,precision agriculture and precision forestry have been emphasized to obtain the maximum output with minimum input and the least impact on the environment,so agricultural and forestry engineering systems require multi-disciplinary design groups to deal with some common interests and the concept of biomechinfotronics is *** word“biomechinfotronic”is introduced to describe the multidisciplinary aspects of this complex *** the paper,the prospects,mission analysis,education system,research areas of biomechinfotronics are *** particular characteristics of biomechinfotronics are the synergistic integration of biological engineering with mechatronics,bioinformatics,infotronics,bioelectronics and intelligent computer systems for conducting common research and development and for recruiting and training students with wide specialties.

关键词： agricultural and forestry engineering precision agriculture precision forestry biomechinfotronics multi-disciplinary sustainable development

Cotton-harvester-flow simulator for testing cotton yield monitors

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International Journal of Agricultural and Biological Engineering 2010年第1期3卷 44-49页

作者： Ruixiu Sui J.Alex Thomasson S.D.Filip To USDA-ARS Cotton Ginning Research Unit StonevilleMS 38776USA Biological and Agricultural Engineering Department Texas A&M UniversityCollege StationTX 77843USA Agricultural and Biological Engineering Department Mississippi State UniversityMississippi StateMS 39762USA

An experimental system was developed to simulate the pneumatic flow arrangement found in picker-type cotton *** simulation system was designed and constructed for testing a prototype cotton yield monitor developed at Mississippi State *** simulation system was constructed to approximate the pneumatic cotton flow system of a cotton picker,and was capable of operating with varying cotton flow *** simulator was tested with different cotton flow rates,and the relationship between feeder rate and amount of conveyed seed cotton was found to be ***,the simulator was used to conduct tests with the novel optical cotton yield monitor,which proved accurate at measuring the amount of seed cotton flowing through the ***,some differences between laboratory testing and field-testing were noted:seed cotton becomes fluffed and twisted when recycled through the simulator,and seed cotton stored in the laboratory tends to be of lower moisture content than cotton during *** differences should be considered when using a laboratory simulator to test cotton yield monitors.

关键词： cotton yieldmonitor precision agriculture sensor cotton harvester

Comparison of kriging interpolation precision between grid sampling scheme and simple random sampling scheme for tobacco field

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Comparison of kriging interpolation precision between grid s...