نتایج جستجو برای: agriculture and natural resources

تعداد نتایج: 16909371  

2012
Richard Teague Fred Provenza Brien Norton Tim Steffens Matthew Barnes Mort Kothmann Roy Roath

1 Texas AgriLife Research, Texas A&M System, Vernon TX 76384 2 Department of Wildland Resources, Utah State University, Logan, UT 84322-52305 3 Centre for the Management of Arid Environments, Locked Bag 22, Kalgoorlie, WA 6433, Australia 4 United States Department of Agriculture-Natural Resources Conservation Service, Springfield, CO 81073 5 United States Department of Agriculture-Natural Resou...

Journal: :به نژادی نهال و بذر 0
اکبر قندی a. ghandi داود افیونی d. afyooni گودرز نجفیان g. najafian مجتبی وهابزاده m. vahabzadeh عظیم اکبری a. akbari محمد ترابی m. torabi امیر یزدان سپاس

sepahan is a new bread wheat cultivar derived from progenies of a cross made between azadi cultivar and some high yielding and resistant to rust advanced lines. all selections were made in kelardasht and iranshahr stations and early evaluations in karaj. it was also studied in regional uniform yield trials in moderate stations including kaboutar abad. results revealed that this line is more tol...

F Farokhian K Hemadi M Kamali,

In the recent years,theprojects developed the studies onwater resources and agriculture, developmentof human societies, the phenomenon of climate change and drought greatest environmental impact,socio-economic and industry in developing and even under developing countries. Results of theseissues showed the effects of mortality and immigration, human and animal species, environmentaldegradation,...

Journal: Iranian Economic Review 2017

Abstract[1] Natural resources as a source of wealth can increase prosperity or impede economic growth.  Empirical studies with different specifications and data are also mixed on whether natural resources are curse or blessing. In fact, the variety of model specifications, measurements, and samples in the empirical literature makes it difficult to generalize the results. In this study, a growth...

Journal: :تحقیقات اقتصادی 0
غلامعلی شرزه ای دانشیار دانشکده ی اقتصاد دانشگاه تهران وحید ماجد استادیار دانشکده ی اقتصاد دانشگاه علوم اقتصادی

development projects in natural water resources like rivers and lakes, specially transferring water to use in agriculture, domestic and industrial sector without considering environmental values, causes irrecoverable and irreversible damage to ecosystem and future options. if we consider the future generation and species rights, those damages and costs can be very much than we take in. the abov...

Journal: :مرتع و آبخیزداری 0
عبدالمطلب رضائی استادیار دانشکدة اقتصاد و توسعة کشاورزی دانشگاه تهران سید محمود حسینی استاد دانشکدة اقتصاد و توسعة کشاورزی دانشگاه تهران علی اسدی استاد دانشکدة اقتصاد و توسعة کشاورزی دانشگاه تهران

social network analysis used to study the relationship between stakeholders and actors in natural resource management has become a scientific approach. the purpose of this study was analysis of information exchange network among organizations engage in the sustainable management of natural resources. results of social network analysis revealed that there is weak relationship among organizations...

2004
John B. Riley

The College of Agricultural Sciences and Natural Resources traces its history to 1869 when the University was designated as Tennessee's Federal Land-Grant Institution . Under terms of the Federal Land-Grant Act, the University was enabled for the first time to offer instruction in agriculture . This later was expanded to include research for the development of new knowledge and extension for di...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
فرزاد اسکندری مهدی صالحی

based on kolb’s theory of learning and teaching a post-test group design was applied to investigate the effect of congruent/ incongruent teaching and learning styles on students’ performance at the faculties of agriculture and natural resources at the university of kurdistan, iran in 2007. using spss software descriptive statistics, t- test and manova were employed in analyzing the data. result...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی موادو متالورژی 1393

the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...

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