نتایج جستجو برای: farm area

تعداد نتایج: 618054  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
o. o arowolo college of agricultural management and rural development, federal university of agriculture abeokuta, pmb 2240, abeokuta, ogun state, nigeria. a. a ogunronbi college of agricultural management and rural development, federal university of agriculture abeokuta, pmb 2240, abeokuta, ogun state, nigeria. s. o apantaku college of agricultural management and rural development, federal university of agriculture abeokuta, pmb 2240, abeokuta, ogun state, nigeria. s. o adeogun college of agricultural management and rural development, federal university of agriculture abeokuta, pmb 2240, abeokuta, ogun state, nigeria.

intergenerational succession aims at the renewal of family farm and addresses the problem of increasing aged population of principal farm owners. this study assessed poultry farm characteristics and poultry farmers’ perception of farm succession planning in southwest nigeria. a multistage sampling procedure was used in selecting poultry farmers in oyo and osun states.  data were analyzed using ...

Journal: :Journal of the South African Veterinary Association 2012
Lourenço P Mapaco Jacobus A W Coetzer Janusz T Paweska Estelle H Venter

In 2008, a suspected outbreak of Rift Valley fever (RVF) was reported on a farm in the Bela-Bela area, Limpopo Province, South Africa. Seven calves died on the affected dairy farm, where no RVF vaccination programme was practised. No apparent clinical disease was reported in the other 300 cattle (33 calves included) or 200 sheep on the farm. During the outbreak, blood samples from 77.7% (23...

Journal: :Water research 2002
Rosa Tiziana La Simone Mirto Eugenia Favaloro Benedetto Savona Gianluca Sarà Roberto Danovaro Antonio Mazzola

We investigated and compared the impact of organic loads due to the biodeposition of mussel and fish farms on the water column of a coastal area of the Tyrrhenian Sea (Western Mediterranean). Physico-chemical data (including oxygen, nutrients. DOC and particulate organic matter), microbial variables (picoplankton and picophytoplankton density and biomass) and phytoplankton biomass (as chlorophy...

2017
Jie Tian Dao Zhou Chi Su Frede Blaabjerg Zhe Chen

In a wind farm, the upstream wind turbine may cause power loss to the downstream wind turbines due to the wake effect. Meanwhile, the energy production is determined by the power generation and the lifetime of the wind turbine. In this paper, an optimal active power control method is proposed to maximize the energy production of wind farms by considering the wake effect and the lifetime of wind...

2013

Popular government presupposes the existence of liberty, equality, and justice as its fundamental principles. Theoretically these principles prevail in Michigan. Practically they do not. How is it as to political rights ? One-half of the people, though subject to the laws, have no voice in making those laws. Their right to vote and the right of the people to cast their votes for them is denied....

2017
Oscar Vergara Keith H. Coble George F. Patrick Thomas O. Knight Alan Baquet

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
ufedo shaibu department of agricultural economics and extension, kogi state university anyigba, nigeria mohammed ibrahim department of agricultural economics and extension, kogi state university anyigba, nigeria

the study analyzed farm households’ access and utilization of government health facilities in kogi state, nigeria. specifically, it described the socioeconomic characteristics of farm households, determined the level of accessibility to health facilities by farm households, and determined the factors that drive farm households’ utilization of government health facilities. a two staged random sa...

Journal: :مهندسی بیوسیستم ایران 0
نیکروز باقری دکتری، دانشگاه تهران حجت احمدی دانشیار، دانشگاه تهران محمود امید استاد، دانشگاه تهران سیدکاظم علوی پناه استاد، دانشگاه تهران

the present research was carried out with the aim of site-specific nitrogen fertilizer management, through aster imagery. a 23 ha corn field in pakdasht town in southern tehran province constituted the research area. plant sampling was carried out simultaneous with the passing by of the satellite sensor over, throughout the farm. a total of 53 pixels were selected through systematic randomized ...

2015
Georgia A. F. Ladbury Jeroen P.G. Van Leuken Arno Swart Piet Vellema Barbara Schimmer Ronald Ter Schegget Wim Van der Hoek

BACKGROUND In spring 2008, a goat farm experiencing Q fever abortions ("Farm A") was identified as the probable source of a human Q fever outbreak in a Dutch town. In 2009, a larger outbreak with 347 cases occurred in the town, despite no clinical Q fever being reported from any local farm. METHODS Our study aimed to identify the source of the 2009 outbreak by applying a combination of interd...

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