نتایج جستجو برای: ecological sustainability. area under cultivation

تعداد نتایج: 1698644  

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
عبادالله نعمتی کارشناس ارشد توسعة روستایی، دانشگاه تهران هوشنگ ایروانی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران علی اسدی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران

the main purpose of this paper is analyzing sustainability condition for potato cultivation in bahar-hamedan plain. potato farmers population in this plain is 2054 individuals. we obtained sample size, which are 162 by using cochrane’s formula. for increasing accuracy 172 samples fill out the questionnaires. data analyzed by spss software. results showed that sustainability level was low or ver...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Ardeshir Mesbah, Jamal F. Hosseini M. Mir Damadi Somayeh Jangchi Kashani,

Objective: Today, addressing the issue of sustainability especially in agriculture has received more attention. Sustainability in the systems of Canola cultivation depends on many factors like ecological, social and economic dimensions and understanding these factors can result in formulation of policies and strategies for sustainable agricultural development. Methods: 8961 Canola farmers of Qa...

Ardeshir Mesbah, Jamal F. Hosseini M. Mir Damadi Somayeh Jangchi Kashani,

Objective: Today, addressing the issue of sustainability especially in agriculture has received more attention. Sustainability in the systems of Canola cultivation depends on many factors like ecological, social and economic dimensions and understanding these factors can result in formulation of policies and strategies for sustainable agricultural development. Methods: 8961 Canola farmers of Qa...

2011
Clinton Beckford

Members of the genus Dioscorea, food yams, were introduced to Jamaica from Africa during the slave era and have remained a staple in local diets and national cuisine. Yam cultivation has also been an important economic activity providing employment for thousands of rural Jamaicans. Until the 1960s yams were grown for local use by subsistence growers for home consumption or by commercial growers...

احمدپور, امیر, مؤمنی هلالی, هادی, پورسعید, علیرضا,

In general, the ultimate goal of a sustainable system is to maximize the benefits of existing resources and to minimize the threats to the environment that occur due to the present conventional agricultural activities. Meanwhile, seed, as a rice cultivar in the present study, is presented as an important factor in sustainability. Therefore, identifying the most suitable cultivar of rice for sus...

Journal: :محیط شناسی 0
محمدحسین سرایی استادیار جغرافیا و برنامه ریزی شهری دانشکدة جغرافیا، دانشگاه یزد عبدالحمید زارعی فرشاد کارشناسی ارشد جغرافیا و برنامه ریزی شهری دانشکدة جغرافیا، دانشگاه یزد

with the publication of the brundtland report carried the sustainability discussion into governments and businesses worldwide, much effort has gone into clarifying the meaning of the sustainability concept. to make the concept measurable and applied city sustainable idea, some new method was needed. so the method named ecological footprint has been presented.the ecological footprint method that...

Alireza Poursaeed Amir Ahmadpour Hadi Moumeni-Helali

This study is a survey research. The population of the study was all specialists who have enough data about ways of sustainability rice cultivars that they were identified and studied through Non-probability sampling (purposeful and snowball). To determine the validity of the questionnaire, face and content validity was used, and, to assess the reliability, inconsistency coefficient was used. I...

Journal: :international journal of advanced biological and biomedical research 2015
somayeh jangchi kashani jamal f. hosseini m. mir damadi ardeshir mesbah

objective: today, addressing the issue of sustainability especially in agriculture has received more attention. sustainability in the systems of canola cultivation depends on many factors like ecological, social and economic dimensions and understanding these factors can result in formulation of policies and strategies for sustainable agricultural development. methods: 8961 canola farmers of qa...

2016
George Martin Ian Christie

The contemporary interest in urban cultivation in the global North as a component of sustainable food production warrants assessment of both its quantitative and qualitative roles. This exploratory study weighs the nutritional, ecological, and social sustainability contributions of urban agriculture by examining three cases—a community garden in the core of New York, a community farm on the edg...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید