نتایج جستجو برای: sustainable agriculture knowledge

تعداد نتایج: 730148  

Journal: :Journal of animal science 2004
R K Heitschmidt L T Vermeire E E Grings

The objective of this paper is to examine the sustainability of rangeland agriculture (i.e., managed grazing) on a world-wide basis, with a focus on North America. Sustainability is addressed on three fronts: 1) ecological, 2) economic, and 3) social acceptance. Based on previous and on-going research, we suggest that employment of science-based rangeland grazing management strategies and tacti...

2012
Charles J. Godfray Andrew Balmford John Barrett Marian Dawkins Liam Dolan David Fraser Andy Haines Brian Harris Mario Herrero Irene Hoffmann John Ingram Richard Perkins Anna Saunders Pete Smith Phil Thornton Camilla Toulmin Sonja Vermeulen Jeff Waage Kathy Willis Tara Garnett Charles Godfray

برادران, مسعود , رحمانی, حسن, نورکی, فاطمه ,

It pays attention to cultivation greenhouse, and provides produce artificial condition and the variants environment have especially important for neutralizing in progressing extent agriculture processes. It is necessary for progressing we need suitable planning until we can move forward to producing program and we are needed to know about variants and limitation which obstacle the develop of t...

Journal: :اقتصاد و توسعه کشاورزی 0
محسن عادلی ساردوئی باب اله حیاتی شاپور ظریفیان سیدداود حسینی نسب

abstract in recent decades, more consumption of agricultural inputs led to growth in agricultural products in the world. however, problems occurred due to the lack of attention to environmental issues and risks of excessive consumption of chemicals on human health become a concern for people and policy makers. to solve the problem, sustainable agriculture has been considering by authorities. th...

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...

Journal: :international journal of civil engineering 0
d. khan department of agricultural engineering, university of engineering & technology peshawar pakistan n. ejaz department of civil engineering university of engineering and technology, taxila, pakistan t.a. khan department of agricultural engineering, university of engineering & technology peshawar pakistan t.u. saeed transport department, government of khyber pakhtunkhwa pakistan h. attaullah department of civil engineering university of engineering and technology, peshawar, pakistan

globally, irrigated agriculture is the largest extractor and the most frequent consumer of groundwater resources, with important groundwater-dependent and largely spread agro-economies. quality of irrigation water is one of the key factors which have either direct or indirect impact on plant growth, soil and water management practices and plant yields. this work aims at highlighting the importa...

Shaghayegh Kheiri

Conventional agriculture systems of production often lead to environmental degradation, economic problems and even social conflict. The efficacy of agriculture systems conducive to the economic, environmental and social sustainability of farming operations has been demonstrated, yet the adoption of sustainable agricultural practices is not widespread. This study evaluates the barriers of sustai...

2002
Margaret Kilvington Chris Nixon

Disclaimer While every effort has been made to ensure the information in this publication is accurate, the Ministry of Agriculture and Forestry does not accept any responsibility or liability for error or fact omission, interpretation or opinion which may be present, nor for the consequences of any decisions based on this information. Any view or opinions expressed to not necessarily represent ...

Journal: :international journal of agricultural management and development 2015
ali mohammadi torkashvand shahryar sobhe zahedi

an important factor in sustainable agriculture and economic management is to calculate areas under different crops that the inputs of agriculture connect to this topic. planning of agricultural mechanization, fertilizer and pesticide requirements, pests and diseases control, estimates of agricultural production, income and tax and financial planning, all linked to the cultivated areas and estim...

Journal: :Journal of Agricultural Meteorology 1997

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