نتایج جستجو برای: in agricultural practices

تعداد نتایج: 17013027  

2013
Leah H. Samberg Carol Shennan Erika Zavaleta

The southern highlands of Ethiopia are home to some of the planet’s oldest agricultural systems, dating back 10,000 years (Brandt et al. 1997), and are considered a global center of crop diversity (Vavilov and Chester 1951). The highland landscape is made up of a patchwork of small, diverse subsistence farms, grasslands, and forests where the lines between ‘human’ and ‘natural’ are indistinct, ...

2005
Sayed Saghaian Carl Dillon

A comparison of decision rules has been made for case studies of corn production using subsurface drip irrigation under three agricultural management practices (no irrigation, uniform irrigation, and variable rate irrigation). The uniform irrigation strategy appeared to perform the best than the other two management practices under different risk scenarios.

2017

Abbreviations CDC US Centers for Disease Control FDA US Food and Drug Administration FR Federal Register FSMA Food Safety Modernization Act GAPs Good Agricultural Practices GMPs Good manufacturing practices HACCP Hazard Analysis and Critical Control Points HARPC Hazard Analysis and Risk-based Preventive Controls LGMA The California Leafy Greens Marketing Agreement USDA US Department of Agriculture

Journal: :Journal of environmental quality 2008
Viney P Aneja Jessica Blunden Kristen James William H Schlesinger Raymond Knighton Wendell Gilliam Greg Jennings Dev Niyogi Shawn Cole

Recent studies suggest that human activities accelerate the production of reactive nitrogen on a global scale. Increased nitrogen emissions may lead to environmental impacts including photochemical air pollution, reduced visibility, changes in biodiversity, and stratospheric ozone depletion. In the last 50 yr, emissions of ammonia (NH3), which is the most abundant form of reduced reactive nitro...

2015
Bruno Basso

The Green Revolution, through the adoption of new crop varieties, irrigation, and agrochemicals, saved about 1 billion people from famine by increasing global food production (FAO 2011). We now recognize that these enormous gains in agricultural production were accompanied by harm to agriculture’s natural resource base, jeopardizing our future ability to meet human food, fuel, and fiber needs f...

Journal: :The international journal of occupational and environmental medicine 2012
D L Levesque A A Arif J Shen

BACKGROUND There are inconsistencies about the effects of farmworker housing and workplace conditions and use of self-protective behavior practices and personal protective equipment (PPE). OBJECTIVE To investigate the association between workplace and housing conditions and farmworker use of pesticide safety practices and PPE. METHODS This study was conducted in 4 counties in North Carolina...

سید احمد خاتون‌آبادی, ,

Public (or governmental) extension services suffer from its limitations and inadequacies to fulfill the requirements for sustainable farming practices. This study examines the aspects of practicing agricultural extension Privatization in Isfahan. The statistical sample society of the survey was the extension practitioners and technicians. Data were gathered through field questioning techniques ...

ژورنال: علوم آب و خاک 2005
سید احمد خاتون‌آبادی, ,

Public (or governmental) extension services suffer from its limitations and inadequacies to fulfill the requirements for sustainable farming practices. This study examines the aspects of practicing agricultural extension Privatization in Isfahan. The statistical sample society of the survey was the extension practitioners and technicians. Data were gathered through field questioning techniques ...

Journal: :Ecological applications : a publication of the Ecological Society of America 2010
Tianming Wang Jianguo Wu Xiaojun Kou Chadwick Oliver Pu Mou Jianping Ge

Sustainability of agricultural landscapes depends largely on land-use practices. As one of the most productive and widespread agricultural soils, loess is often deep and easily eroded, posing grand challenges for environmental sustainability around the world. One prime example is the Loess Plateau of China, which has been cultivated for more than 7500 years. Based on long-term data sets, this s...

2018
Roberto Pizzolotto Antonio Mazzei Teresa Bonacci Stefano Scalercio Nino Iannotta Pietro Brandmayr

The impact of agricultural practices and soil management on the communities of arthropods living in the agricultural landscape is acknowledged as a critical issue by the literature, and it needs to be better investigated to improve the ecological sustainability of agriculture. In the present study, we aimed to study how soil management affect carabid species distribution in one of the most typi...

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