178 Hits in 4.9 sec

Irrigation Fuzzy Controller Reduce Tomato Cracking

Federico Hahn
2011 International Journal of Advanced Computer Science and Applications  
A fuzzy controller managed greenhouse irrigation to reduce tomato cracking using as variables solar radiation and substrate temperature.  ...  Sunlight heats the greenhouse air temperature and tomato cracking decreases marketable product up to 90%.  ...  Red tomatoes were harvested on the first of June and one month later cracking was evaluated per treatment.  ... 
doi:10.14569/ijacsa.2011.021117 fatcat:ukjlbfgmsngh5ienor3ix2wg6m

Optimization of the Regulated Deficit Irrigation Strategy for Greenhouse Tomato Based on the Fuzzy Borda Model

Xufeng Li, Juanjuan Ma, Lijian Zheng, Jinping Chen, Xihuan Sun, Xianghong Guo
2022 Agriculture  
As a combination evaluation method, the fuzzy Borda model was used to optimize the RDI strategy of greenhouse tomato.  ...  This experimental study was conducted on a drip-irrigated greenhouse in two consecutive years (2020 and 2021).  ...  At present, there are few reports on the responses of the physiological and growth indexes of greenhouse tomato to the upper and lower limits of irrigation at different growth stages.  ... 
doi:10.3390/agriculture12030324 fatcat:acl6tzygyfclndumhhqiab6adu

A Water-saving Irrigation Decision-making Model for Greenhouse Tomatoes based on Genetic Optimization T-S Fuzzy Neural Network

2019 KSII Transactions on Internet and Information Systems  
Finally, on the basis of the real data set, the genetic optimization T-S fuzzy neural network is used to simulate and predict the irrigation volume for greenhouse tomatoes.  ...  In order to improve the utilization of irrigation water resources of greenhouse tomatoes, a water-saving irrigation decision-making model based on genetic optimization T-S fuzzy neural network is proposed  ...  The Influence Factors of Irrigation Volume The growth environment of greenhouse tomatoes is very different from that of outdoor cultivation.  ... 
doi:10.3837/tiis.2019.06.009 fatcat:qrwlxbzcw5dx7clx6uhld5br4q


Daniel dos S. Viais Neto, Camila P. Cremasco, Deyver Bordin, Fernando F. Putti, Josué F. Silva Junior, Luís R. A. Gabriel Filho
2019 Engenharia Agrícola  
The objective of this study was to evaluate the effects on the growth and yield of hybrid tomato from different water tensions in the soil and different salinity doses in the irrigation at 120 days after  ...  The input variables of the fuzzy systems were irrigation and salinity, while the output variables elected were the biometric analysis and productivity that showed statistically significant differences.  ...  ACKNOWLEDGEMENTS The Authors are grateful for the PhD Program in Agronomy / Irrigation and Drainage (of São Paulo State University, School of Agriculture) and in MSc in Agribusiness and Development (of  ... 
doi:10.1590/1809-4430-eng.agric.v39n3p305-314/2019 fatcat:b7phxquqwbcrjn2ketsz4aeddm

Automatic greenhouse operation [chapter]

2014 Greenhouse Design and Control  
or persons as a result of operation or use of this publication and/or the information contained herein.  ...  Although all care is taken to ensure integrity and the quality of this publication and the information herein, no responsibility is assumed by the publishers nor the author for any damage to the property  ...  We would like to thank Tecnológico de Monterrey campus ciudad de Mexico and National Instruments Austin Texas for supporting this research. Pedro Arturo Paul Esther Brian  ... 
doi:10.1201/b17391-12 fatcat:kseyonyfqjcm3g37p3ty2yqbo4

Estimating Yield and Water Productivity of Tomato Using a Novel Hybrid Approach

Hossein Dehghanisanij, Somayeh Emami, Mohammed Achite, Nguyen Thi Thuy Linh, Quoc Bao Pham
2021 Water  
This study aimed to evaluate the efficiency of a hybrid method of season optimization algorithm (SO) and support vector regression (SVR) in estimating the yield and WP of tomato crops based on climatic  ...  The irrigation–-fertilizer parameters (PMDI, F) and crop variety (V) are the most effective in estimating the yield and WP of tomato crops.  ...  Acknowledgments: This research was carried out with the data support of the Conservation of Iranian Wetlands Project (CIWP) and in the framework of "Modeling local community participation in Lake Urmia  ... 
doi:10.3390/w13243615 fatcat:73db57fsufcwplczpr2sg5yo4q

Growth and Comprehensive Quality Index of Tomato under Rain Shelters in Response to Different Irrigation and Drainage Treatments

Guang-cheng Shao, Ming-hui Wang, Na Liu, Min Yuan, Prem Kumar, Dong-Li She
2014 The Scientific World Journal  
The effects of two levels of irrigation water (100%, 60%) and buried underground pipe depths (0.8 m, 0.6 m) under rain shelters' conditions on yield and some quality parameters of tomato were investigated  ...  The main effects of drainage treatments on the fruit quality were increases in total soluble solids (TSS), soluble sugar (SS), and vitamin C (VC) compared to the control.  ...  The authors extend their gratitude to the editor and the anonymous reviewers for substantial comments on earlier versions of this paper and to Abu Baker for considerable language improvements, technical  ... 
doi:10.1155/2014/457937 pmid:25054180 pmcid:PMC4098618 fatcat:xf7bjlm5fzhnxkeds7d24vbwje

Irrigation of Greenhouse Crops

Georgios Nikolaou, Damianos Neocleous, Nikolaos Katsoulas, Constantinos Kittas
2019 Horticulturae  
Optimization of irrigation practices imposes different irrigation approaches, based on prevailing greenhouse environments, considering plant-water-soil relationships.  ...  This article presents a comprehensive review of the literature, which deals with irrigation scheduling approaches applied for soil and soilless greenhouse production systems.  ...  [52] evaluated the efficiency of timed scheduling, and concluded that this method does not actually meet the irrigation requirements of hydroponic tomatoes resulting in over and under irrigation during  ... 
doi:10.3390/horticulturae5010007 fatcat:laxb44wxkrfb3h57bsobl7x7iu

A Price-Forecast-Based Irrigation Scheduling Optimization Model under the Response of Fruit Quality and Price to Water

Baoying Shan, Ping Guo, Shanshan Guo, Zhong Li
2019 Sustainability  
The model is applied to a case study of greenhouse tomato irrigation schedule optimization. The results indicate that EEMD-ANN can improve the accuracy of price forecasting.  ...  Different from the traditional irrigation optimization model based only on the water production function, in this study, we explored the water–yield–quality–benefit relationship and established a general  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/su11072124 fatcat:r632mcnxozevvi532choa7bwb4

Optimal control algorithm of fertigation system in greenhouse based on EC model

Yong Wu, Li Li, Shuaishuai Li, Hongkang Wang, Man Zhang, Hong Sun, Nikolaos Sygrimis, Minzan Li
2019 International Journal of Agricultural and Biological Engineering  
provides an optimal way of water and fertilizer management for crops in greenhouses which will contribute to water and fertilizer saving.  ...  Two new control algorithms based on MSP430 microcontroller unit (MCU) were developed to improve the performance of a fertigation system controlled by the electrical conductivity (EC) value of an irrigation  ...  control of the irrigation and fertilization for greenhouse crops.  ... 
doi:10.25165/j.ijabe.20191203.4680 fatcat:x3oio4kuazddjg7pfh6kcgllki

Effects of water stress at different growth stages on comprehensive fruit quality and yield in different bunches of tomatoes in greenhouses

Shuxue Hao, Hongxia Cao, Hubing Wang, Xiaoyan Pan
2019 International Journal of Agricultural and Biological Engineering  
The aim of this study was to investigate the effects of tomato quality and yield between different bunches and the differences between the two comprehensive evaluation methods on tomato quality ranking  ...  The yield and quality of different bunches of tomatoes under water stress during different growth stages were determined as responses, and the comprehensive fruit quality ranking and yield of the second  ...  Acknowledgements This study was financially supported by the 863 Program of National High-Tech R&D Program of China (2013AA103004) and the Water and Technology Support Plan of Shaanxi Province, China (  ... 
doi:10.25165/j.ijabe.20191203.4468 fatcat:zp4ovktirfdghl67t5hg3soqkq

Overview of water-saving irrigation methods in arid/ semi-arid areas

Rui Hu, J. Loredo, J.-S. Jeong
2020 E3S Web of Conferences  
, deficit irrigation, and alternate furrow irrigation.  ...  This paper has compared the advantages and disadvantages of four kinds of water-saving irrigation methods commonly used in arid/semi-arid areas: rainwater harvesting irrigation, plastic film mulching technology  ...  on different crops and soils, so as to establish an optimized crop water deficit evaluation system [16] , and the gradual development from extensive irrigation to precision irrigation has become the  ... 
doi:10.1051/e3sconf/202019102001 fatcat:pmr6edfv4fcw7fkw6wruus6mwi

Combining Multi-Agent Systems and Wireless Sensor Networks for Monitoring Crop Irrigation

Gabriel Villarrubia, Juan F. De Paz, Daniel H. De La Iglesia, Javier Bajo
2017 Sensors  
It can obtain data that determine the right amount of water and fertilizer for each stage of crop growth.  ...  This system combines fertilization and irrigation, and reflects the increasingly widespread trend among farmers to use computers, making it easier to keep track of the consumption of water and fertilizer  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17081775 pmid:28767089 pmcid:PMC5579810 fatcat:yj3tfpmhuvhzjee335w6cn6vme

Advances in greenhouse automation and controlled environment agriculture: A transition to plant factories and urban agriculture

Redmond Ramin Shamshiri, Fatemeh Kalantari, K. C. Ting, Kelly R. Thorp, Ibrahim A. Hameed, Cornelia Weltzien, Desa Ahmad, Zahra Mojgan Shad
2018 International Journal of Agricultural and Biological Engineering  
This research highlighted urban agriculture and its derivatives, including vertical farming, rooftop greenhouses and plant factories which are the extensions of CEA and have emerged as a response to the  ...  This review is an attempt to highlight some of the most recent advances in greenhouse technology and CEA in order to raise the awareness for technology transfer and adaptation, which is necessary for a  ...  depending on the growth stage of the plant and different light condition.  ... 
doi:10.25165/j.ijabe.20181101.3210 fatcat:a6wlupv7aje7raii2kh2dztq6y

An Ample Study of Numerous Intelligent Systems used for Agriculture: Review

Amish Patel, Puja Kadam
2016 International Journal of Computer Applications  
This paper presents a review on different types of intelligent systems used for agriculture in India namely expert systems using fuzzy logic, types of robotics which increases the precision and exactness  ...  for cultivation of crops, seed plantation techniques and atomization of water and soil in agriculture.  ...  CONCLUSION From the above facts and figures and also from the study of different intelligent systems it can be concluded that for better vegetative growth and irrigation purpose we can use expert systems  ... 
doi:10.5120/ijca2016909856 fatcat:67bscneuorbxtn6ark4ytckr4a
« Previous Showing results 1 — 15 out of 178 results