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1. Micro-Level Management of Agricultural Inputs: Emerging Approaches

Author:
Weekley, Jonathan; Gabbard, Joseph; Nowak, Jerzy
Source:
Agronomy 2012 v.2 no.4 pp. 321-357
ISSN:
2073-4395
Subject:
food security,   etc   ; agrochemicals; air; climate change; crop yield; crops; decision making; developmental stages; irrigation; plant biology; plant stress; production technology; rhizosphere; soil;     Show all 14 Subjects
Abstract:
... Through the development of superior plant varieties that benefit from high agrochemical inputs and irrigation, the agricultural Green Revolution has doubled crop yields, yet introduced unintended impacts on environment. An expected 50% growth in world population during the 21st century demands novel integration of advanced technologies and low-input production systems based on soil and plant biolo ...
DOI:
10.3390/agronomy2040321

2. Economics of Agricultural Water Conservation: Empirical Analysis and Policy Implications

Author:
Dagnino, Macarena; Ward, Frank A.
Source:
International journal of water resources development 2012 v.28 no.4 pp. 577-600
ISSN:
1360-0648
Subject:
food security,   etc   ; climate change; conservation practices; conservation programs; crops; drought; economic incentives; farm income; farmers; food production; irrigated farming; microirrigation; nutritive value; policy analysis; subsidies; water conservation; water rights; North America;     Show all 18 Subjects
Abstract:
... Climate change and recurrent drought in many of the world's dry places continue to inspire the search for economically attractive measures to conserve water. This study analyzes water conservation practices in irrigated agriculture in a sub-basin in North America's Rio Grande. A method is developed to estimate water savings in irrigated agriculture that result from public subsidies to farmers who ...
DOI:
10.1080/07900627.2012.665801

3. Explaining productivity differences between beneficiaries of Zimbabwe's Fast Track Land Reform Programme and communal farmers

Author:
Zikhali, P.; Chilonda, P.
Source:
Agrekon 2012 v.51 no.4 pp. 144-166
ISSN:
2078-0400
Subject:
food security,   etc   ; farmers; land reform; Zimbabwe;     Show all 4 Subjects
Abstract:
... In the year 2000 the government of Zimbabwe launched the Fast Track Land Reform Programme (FTLRP) as part of its on-going land reform and resettlement programme. The main premise of the programme is to address the racially skewed land distribution pattern inherited at independence in 1980. While the programme has been accompanied by an overall reduction in agricultural production which has created ...
DOI:
10.1080/03031853.2012.741210

4. Households' food security status and its determinants in the North-Central Nigeria

Author:
Obayelu, Abiodun Elijah
Source:
Food economics 2012 v.9 no.4 pp. 241-256
ISSN:
2164-8298
Subject:
food security,   etc   ; contraception; cross-sectional studies; educational status; gender; household expenditure; households; hunger; issues and policy; land ownership; logit analysis; marital status; questionnaires; social capital; Nigeria;     Show all 15 Subjects
Abstract:
... Study on household food security is very essential now that Nigeria is currently facing the problem of food crisis. This study presents findings on household food security in the North Central Nigeria (NCN). The first objective was to review and highlight the commonly used measures of households' food security with their pros and cons; second, to determine the food security status of households; a ...
DOI:
10.1080/2164828X.2013.845559

5. Resistance in rice to Rice yellow mottle virus and evidence of non-seed transmission

Author:
Salaudeen, Muhammadu Tajudeen
Source:
Archives of phytopathology and plant protection 2012 v.45 no.20 pp. 2406-2413
ISSN:
1477-2906
Subject:
food security,   etc   ; Rice yellow mottle virus; cultivars; disease incidence; genotype; heading; planting; rice; seedling emergence; seedlings; seeds; t-test; tillers; viruses; yield components;     Show all 15 Subjects
Abstract:
... Nine rice cultivars were evaluated under screenhouse conditions for resistance to Rice yellow mottle virus (RYMV) and possible seed transmission. Completely randomised design with three replications was used. In Experiment 1, the seedlings were inoculated with the virus at two weeks after planting. In Experiment 2, the seeds collected from Experiment 1 were dried for four weeks before planting. Fo ...
DOI:
10.1080/03235408.2012.727328

6. A European perspective for developing modern multifunctional agroforestry systems for sustainable intensification

Author:
Smith, Jo; Pearce, Bruce D.; Wolfe, Martin S.
Source:
Renewable agriculture and food systems 2012 v.27 no.4 pp. 323-332
ISSN:
1742-1713
Subject:
food security,   etc   ; agroforestry; ecological farming; ecosystem services; energy; intensive farming; land use; trees; Europe;     Show all 9 Subjects
Abstract:
... One of the key questions of primary importance to global agriculture and food security is how to optimize sustainable intensification to balance competing demands on land for food and energy production, while ensuring the provision of ecosystem services and maintaining or increasing yields. Integrating trees and agriculture through agroforestry has been attracting increasing interest as an agroeco ...
DOI:
10.1017/S1742170511000597

7. Agroforestry for Livelihood Security in Agrarian Landscapes of the Padma Floodplain in Bangladesh

Author:
Rahman, Syed Ajijur; Imam, Muhammad Hasan; Snelder, Denyse J.; Sunderland, Terry
Source:
Small-scale forestry 2012 v.11 no.4 pp. 529-538
ISSN:
1873-7617
Subject:
food security,   etc   ; agroforestry; farm surveys; farmers; floodplains; households; income; landscapes; livelihood; on-farm research; population growth; poverty; traditional farming; villages; Bangladesh;     Show all 15 Subjects
Abstract:
... In the Padma floodplain of Bangladesh, the traditional system of agriculture has become unsustainable due to high population growth. Mango-based agroforestry which has been practiced by the farmers since the 1990s, is a promising alternative and is considered as one of the few options to lift farmers out of poverty and improve livelihood security. This paper examines the potential of mango-based a ...
DOI:
10.1007/s11842-012-9198-y

8. A Longitudinal Study of Food Insecurity on Obesity in Preschool Children

Author:
Metallinos-Katsaras, Elizabeth; Must, Aviva; Gorman, Kathleen
Source:
Journal of the Academy of Nutrition and Dietetics 2012 v.112 no.12 pp. 1949-1958
ISSN:
2212-2672
Subject:
food security,   etc   ; Hispanics; body mass index; childhood; childhood obesity; education; food and nutrition programs; households; hunger; infancy; infants; longitudinal studies; low income households; mothers; preschool children; public health; regression analysis; risk; underweight; women; Massachusetts;     Show all 21 Subjects
Abstract:
... BACKGROUND: Obesity and its co-occurrence with household food insecurity among low-income families is a public health concern, particularly because both are associated with later adverse health consequences. OBJECTIVE: Our aim was to examine the relationship between household food insecurity with and without hunger in infancy and later childhood with weight status at 2 to 5 years. DESIGN: This lon ...
DOI:
10.1016/j.jand.2012.08.031
PubMed:
23174682

9. An application of dichotomous and polytomous Rasch models for scoring energy insecurity

Author:
Murray, Anthony G.; Mills, Bradford F.
Source:
Energy policy 2012 v.51 pp. 946-956
ISSN:
0301-4215
Subject:
food security,   etc   ; energy; households; issues and policy; low income households; models; surveys; temperature; United States;     Show all 9 Subjects
Abstract:
... Household food security in the United States has been extensively researched and a number of indexes have been generated. However, household energy security has been largely ignored even though low-income households spend almost equal income shares on food and energy. This paper uses Rasch models and household responses to energy security questions in the 2005 Residential Energy Consumption Survey ...
DOI:
10.1016/j.enpol.2012.09.070

10. Assessing the health of agricultural land with emergy analysis and fuzzy logic in the major grain-producing region

Author:
Li, Qiang; Yan, Jinming
Source:
Catena 2012 v.99 pp. 9-17
ISSN:
0341-8162
Subject:
food security,   etc   ; agricultural land; case studies; economic development; ecosystems; edaphic factors; emergy; fuzzy logic; geographic information systems; land productivity; social environment; soil; soil productivity; surveys; China;     Show all 15 Subjects
Abstract:
... Agricultural land is a complex system that combines natural ecology and social economy, and the health of agricultural land directly influences regional economic development and national food security. Emergy analysis is an effective method for value analysis of ecosystems, assessment of the health of ecosystems, which is based on principles of systems ecology and energy. And fuzzy logic is a gene ...
DOI:
10.1016/j.catena.2012.07.005

11. A way forward on adaptation to climate change in Colombian agriculture: perspectives towards 2050

Author:
Ramirez-Villegas, Julian; Salazar, Mike; Jarvis, Andy; Navarro-Racines, Carlos E.
Source:
Climatic change 2012 v.115 no.3-4 pp. 611-628
ISSN:
0165-0009
Subject:
food security,   etc   ; research and development; niches; rural development; United Nations; supply chain; perennials; data collection; cocoa beans; coasts; people; issues and policy; soil organic matter; models; agricultural industry; climate change; emissions; temperature; risk reduction; insurance; socioeconomics; fruits; disease prevalence; floods; technology transfer; bananas; crops; Colombia; Caribbean; Andes region;     Show all 30 Subjects
Abstract:
... Policy measures regarding adaptation to climate change include efforts to adjust socio-economic and ecologic systems. Colombia has undertaken various measures in terms of climate change mitigation and adaptation since becoming a party of the Kyoto protocol in 2001 and a party of the United Nations Framework Convention on Climate Change (UNFCCC) in 1995. The first national communication to the UNFC ...
DOI:
10.1007/s10584-012-0500-y

12. Bioenergy and Land Use: Framing the Ethical Debate

Author:
Gamborg, C.; Millar, K.; Shortall, O.; Sandøe, P.
Source:
Journal of agricultural and environmental ethics 2012 v.25 no.6 pp. 909-925
ISSN:
1187-7863
Subject:
food security,   etc   ; agricultural land; bioenergy; deforestation; ethics; food production; greenhouse effect; greenhouse gas emissions; land use change; malnutrition; people; poverty;     Show all 12 Subjects
Abstract:
... Increasingly, ethical concerns are being raised regarding bioenergy production. However, the ethical issues often do not stand out very clearly. The aim of the present paper is to improve on this situation by analyzing the bioenergy discussion from the perspective of land use. From this perspective, bioenergy production may give rise to ethical problems because it competes with other forms of land ...
DOI:
10.1007/s10806-011-9351-1

13. Can non-wood forest products be used in promoting household food security?: Evidence from savannah and rain forest regions of Southern Nigeria

Author:
Chukwuone, N.A.; Okeke, C.A.
Source:
Forest policy and economics 2012 v.25 pp. 1-9
ISSN:
1389-9341
Subject:
food security,   etc   ; Chrysophyllum cainito; Dacryodes edulis; Gnetum; Irvingia gabonensis; Prosopis africana; Treculia africana; accounting; beans; breadfruits; breads; business enterprises; household expenditure; households; income; issues and policy; managers; mangoes; nontimber forest products; oils; rain forests; savannas; statistics; Nigeria;     Show all 24 Subjects
Abstract:
... Despite the importance of non-wood forest products (NWFPs) in household consumption especially in Nigeria, where 47million people were unable to meet the 2,900kcal food requirement in 2004, they have hitherto been neglected by planners policy makers and natural resource managers. To encourage its recognition and conservation, sustain benefits, this study analyses the place of plant species of NWFP ...
DOI:
10.1016/j.forpol.2012.09.001

14. Determinants of yield differences in small-scale food crop farming systems in Cameroon

Author:
Yengoh, Genesis T
Source:
Agriculture & food security 2012 v.1 no.1 pp. 33
ISSN:
2048-7010
Subject:
food security,   etc   ; animals; composting; crop yield; extension education; farm management; farmers; farms; food crops; food industry; food production; gender; governance; issues and policy; mineral fertilizers; pests; poverty; production technology; right of access; seed development; seeds; small-scale farming; women; Cameroon;     Show all 24 Subjects
Abstract:
... BACKGROUND: In sub-Saharan Africa, small-scale farmers make up the majority of food producers. While recognizing that the yields per hectare for main food crops are generally low in small-scale food production systems in this region, there are considerable differences in yield output among individual farmers. At the very local scale, why do these differences exist? By examining factors that are as ...
DOI:
10.1186/2048-7010-1-19

15. Developing GM super cassava for improved health and food security: future challenges in Africa

Author:
Adenle, Ademola A; Aworh, Ogugua C; Akromah, Richard; Parayil, Govindan
Source:
Agriculture & food security 2012 v.1 no.1 pp. 10
ISSN:
2048-7010
Subject:
food security,   etc   ; biofortification; cassava; children; development policy; health foods; interviews; long term effects; malnutrition; pest resistance; risk; women; Ghana; Nigeria;     Show all 14 Subjects
Abstract:
... BACKGROUND: There is an urgent need to solve the problem of micronutrient malnutrition that is prevalent among young children and women in Africa. Genetically modified (GM) biofortified cassava has great potential to solve part of this problem, but controversy surrounding GM technology and lack of awareness, limited facilities, biased news and other factors may hinder the adoption of GM cassava in ...
DOI:
10.1186/2048-7010-1-11

16. Development of an Influenza Virologic Risk Assessment Tool

Author:
Trock, Susan C.; Burke, Stephen A.; Cox, Nancy J.
Source:
Avian diseases 2012 v.56 no.4s1 pp. 1058-1061
ISSN:
0005-2086
Subject:
food security,   etc   ; Centers for Disease Control and Prevention; Influenza A virus; animal health; at-risk population; bird diseases; human population; humans; influenza; models; pandemic; people; risk; risk assessment process; vaccine development; viruses;     Show all 16 Subjects
Abstract:
... Influenza pandemics pose a continuous risk to human and animal health and may engender food security issues worldwide. As novel influenza A virus infections in humans are identified, pandemic preparedness strategies necessarily involve decisions regarding which viruses should be included for further studies and mitigation efforts. Resource and time limitations dictate that viruses determined to po ...
DOI:
10.1637/10204-041412-ResNote.1

17. Disease emergence and invasions

Author:
Hatcher, Melanie J.; Dick, Jaimie T. A.; Dunn, Alison M.
Source:
Functional ecology 2012 v.26 no.6 pp. 1275-1287
ISSN:
0269-8463
Subject:
food security,   etc   ; biodiversity; coevolution; databases; ecological invasion; economic impact; emerging diseases; hosts; human health; immune response; models; parasites; prediction; vaccination; wildlife management;     Show all 15 Subjects
Abstract:
... Emerging infectious diseases (EIDs) are recognized as having significant social, economic and ecological costs, threatening human health, food security, wildlife conservation and biodiversity. We review the processes underlying the emergence of infectious disease, focusing on the similarities and differences between conceptual models of disease emergence and biological invasions in general. Study ...

18. Diversity of cassava (Manihot esculenta Crantz) cultivars and its management in the department of Bouenza in the Republic of Congo

Author:
Kombo, G. R.; Dansi, A.; Loko, L. Y.; Orkwor, G. C.; Vodouhè, R.; Assogba, P.; Magema, J. M.
Source:
Genetic resources and crop evolution 2012 v.59 no.8 pp. 1789-1803
ISSN:
0925-9864
Subject:
food security,   etc   ; Manihot esculenta; cassava; cultivars; farmers; food crops; nationalities and ethnic groups; races; sexual reproduction; taste; villages; Republic of the Congo;     Show all 12 Subjects
Abstract:
... Cassava (Manihot esculenta Crantz) is one of the most produced and consumed food crops in the Republic of Congo. To assess the diversity and understand the traditional management of its cultivars in the department of Bouenza, twenty-one villages randomly selected from nine ethnic zones were surveyed using participatory rural appraisal. Altogether, 86 land races cultivars were recorded and further ...
DOI:
10.1007/s10722-012-9803-0

19. Do residents of food deserts express different food buying preferences compared to residents of food oases? A mixed-methods analysis

Author:
Walker, Renee E; Block, Jason; Kawachi, Ichiro
Source:
international journal of behavioral nutrition and physical activity 2012 v.9 no.1 pp. 628
ISSN:
1479-5868
Subject:
food security,   etc   ; hunger; Emergency Food Assistance Program; supermarkets; foods; food purchasing; affordability; urban population; food choices; cities; people; adults; taste; United States;     Show all 14 Subjects
Abstract:
... BACKGROUND: Many people lack access to food stores that provide healthful food. Neighborhoods with poor supermarket access have been characterized as “food deserts” (as contrast with “food oases”). This study explored factors influencing food buying practices among residents of food deserts versus food oases in the city of Boston, USA. METHODS: We used the mixed-methods approach of concept mapping ...
DOI:
10.1186/1479-5868-9-41
PubMed:
22490237
PubMed Central:
PMC3480913

20. Drought variation trends in different subregions of the Chinese Loess Plateau over the past four decades

Author:
Zhang, Baoqing; Wu, Pute; Zhao, Xining; Wang, Yubao; Wang, Jiawen; Shi, Yinguang
Source:
Agricultural water management 2012 v.115 pp. 167-177
ISSN:
0378-3774
Subject:
food security,   etc   ; climate; drought; loess; plateaus; simulation models; soil water; vegetation; watersheds; Yellow River;     Show all 10 Subjects
Abstract:
... In this study, we analyzed the drought variation trends in six subregions of the Loess Plateau over the past four decades. To do this, we used a new method wherein we combined the Variable Infiltration Capacity (VIC) Model for simulating watershed hydrological processes and Palmer Drought Severity Index (PDSI) for drought assessment and analysis. A new classified calibration procedure of climate c ...
DOI:
10.1016/j.agwat.2012.09.004