نتایج جستجو برای: agriculture and natural resources

تعداد نتایج: 16909371  

Journal: :بوم شناسی کشاورزی 0
حمزه میرحاجی مهدی خجسته پور مجید عباسپور فرد سید محمد مهدوی شهری

the importance of environmental protection in modern communities is vital, the action and implementation of any program requires the sufficient knowledge and understanding of environment. one of the methods to preserve natural resources and achieving sustainable development, especially sustainable agriculture, is the environmentally evaluation of agriculture production processes. life cycle ass...

Ch.R. Saad Gh.R. Rafiee,

Natural zeolite was used as a bed medium for plantation of lettuce seedlings and its effects on growth and chemical composition of red tilapia and lettuce were investigated in a pisciponic system. The place of study was the Aquatic Resources Technology Laboratory, Faculty of Agriculture, at the University Putra Malaysia, in 2002. The mean individual weight and biomass of fish in the treatment w...

ژورنال: علوم آب و خاک 2007
اکبر نکویی, , مهدی رحیم ملک, ,

Flora identification of each region plays an important role in the maintenance of natural resources of each country and it is a prerequisite to supplementary phylogenetics and genetic diversity studies. During February 1994 to August 1995, in a two-week interval, vineyards in two districts of Isfahan province, namely Zarinshahr and Tiran & Karvan were visited and weed samples were collected in ...

2003
Kenneth G. Cassman Achim Dobermann Daniel T. Walters Haishun Yang

■ Abstract Agriculture is a resource-intensive enterprise. The manner in which food production systems utilize resources has a large influence on environmental quality. To evaluate prospects for conserving natural resources while meeting increased demand for cereals, we interpret recent trends and future trajectories in crop yields, land and nitrogen fertilizer use, carbon sequestration, and gr...

2012
Waqar Ahmad Munir H. Zia Sukhdev S. Malhi Abid Niaz

Waqar Ahmad1, Munir H. Zia2, Sukhdev S. Malhi3, Abid Niaz4 and Saifullah5,6 1Faculty of Agriculture, Food, and Natural Resources, The University of Sydney, 2Research & Development Section, Fauji Fertilizer Company Ltd, Rawalpindi, 3Agriculture and Agri-Food Canada, Melfort, Saskatchewan, 4Soil Chemistry Section, Institute of Soil Chemistry & Environmental Sciences, Ayub Agricultural Research In...

2016
James M. Vose Chelcy Ford Miniat Charles H. Luce Heidi Asbjornsen Peter V. Caldwell John L. Campbell Gordon E. Grant Daniel J. Isaak Ge Sun

U.S. Department of Agriculture, Forest Service, Southern Research Station, Center for Integrated Forest Science, Department of Forestry and Environmental Resources, Raleigh, NC 27695, United States U.S. Department of Agriculture, Forest Service, Southern Research Station, Center for Forest Watershed Research, Coweeta Hydrologic Laboratory, Otto, NC 28763, United States U.S. Department of Agricu...

Journal: :CoRR 2017
Shashi Shekhar Joe Colletti Francisco Muñoz-Arriola Lakshmish Ramaswamy Chandra Krintz Lav Varshney Debra Richardson

Agriculture provides economic opportunity through innovation; helps rural America to thrive; promotes agricultural production that better nourishes Americans; and aims to preserve natural resources through healthy private working lands, conservation, improved watersheds, and restored forests. From agricultural production to food supply, agriculture supports rural and urban economies across the ...

2016
Neil A. Knobloch

One out of four jobs in agriculture, food and natural resources (AFNR) are in science, technology, engineering and mathematics (STEM), yet the integration of AFNR and STEM education are typically conducted independently within their respective domains (e.g., agriculture education or science education). Teachers play an important role in helping students learn, and literature supports a consiste...

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