نتایج جستجو برای: hydrology neural network and crop

تعداد نتایج: 16957948  

Journal: :journal of crop protection 2013
shideh mojerlou sedigheh mousanejad naser safaie

rice blast, caused by pyricularia grisea, is one of the most important diseases of this crop in iran and all over the world. to evaluate the relationship between spore population (sp) and meteorological factors, sp was measured daily using spore trap during growing seasons of 2006-2008 in rasht and lahijan regions (guilan province, iran). weather data including precipitation, daily maximum and ...

Journal: :international journal of civil engineering 0
m. h. baziar iust a. saeedi azizkandi iust

due to its critical impact and significant destructive nature during and after seismic events, soil liquefaction and liquefactioninduced lateral ground spreading have been increasingly important topics in the geotechnical earthquake engineering field during the past four decades. the aim of this research is to develop an empirical model for the assessment of liquefaction-induced lateral ground ...

Journal: :تحقیقات آب و خاک ایران 0
ایمان جوادزرین کارشناس ارشد، گروه مهندسی علوم خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران. بابک متشرع زاده دانشیار گروه مهندسی علوم خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

the aim followed in this study was to compare the performance of multiple regression vs neural network models to predict the activity of antioxidant enzymes super oxide dismutase (sod), cat alase (cat), ascorbate pero xidase (apx) and peroxidase (pox) in the shoots of wheat (triticum aestivum), alvand cultivar in a soil polluted with cadmium. the treatments consisted of four levels of cadmium (...

Journal: :Applied sciences 2021

Automatic crop identification and monitoring is a key element in enhancing food production processes as well diminishing the related environmental impact. Although several efficient deep learning techniques have emerged field of multispectral imagery analysis, classification problem still needs more accurate solutions. This work introduces competitive methodology for from satellite mainly using...

Journal: :نشریه دانشکده فنی 0
شبنم شهبازی دانشگاه صنعتی امیرکبیر عبدالرحیم جواهریان موسسه ژئوفیزیک مجتبی محمدو خراسانی شرکت ملی نفت

geological facies interpretation is essential for reservoir studying. the method of classification and identification seismic traces is a powerful approach for geological facies classification and distinction. use of neural networks as classifiers is increasing in different sciences like seismic. they are computer efficient and ideal for patterns identification. they can simply learn new algori...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

Journal: :Journal of physics 2021

Weeding is the most difficult process in field of agriculture, which may consume more manpower, time and money. This paper designed for detecting out weeds in-between crops drilling them using blade attached at end robotic. Though this robot works autonomously, does not require manpower. It offers reduced working requires less installation cost. Insufficient labour, improper weeding, pandemic s...

Journal: :ماشین های کشاورزی 0
رضا صدقی یوسف عباسپور گیلانده

suitable soil structure is important for crop growth. one of the main characteristics of soil structure is the size of soil aggregates. there are several ways of showing the stability of soil aggregates, among which the determination of the median weight diameter of soil aggregates is the most common method. in this paper, a method based on adaptive neuro fuzzy inference system (anfis) was used...

2013
Ivan N. da Silva José Ângelo Cagnon Nilton José Saggioro

Many communities obtain their drinking water from underground sources called aquifers. Official water suppliers or public incorporations drill wells into soil and rock aquifers look‐ ing for groundwater contained there in order to supply the population with drinking water. An aquifer can be defined as a geologic formation that will supply water to a well in enough quantities to make possible th...

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