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Articles 1 - 11 of 11
Full-Text Articles in Agriculture
Infestation Of Aetalion Reticulatum (Linnaeus) (Hemiptera: Aethalionidae) In Plants Of Euterpe Oleracea Martius (Arecaceae) In Acre State, Brazil, Rodrigo Souza Santos Rss
Infestation Of Aetalion Reticulatum (Linnaeus) (Hemiptera: Aethalionidae) In Plants Of Euterpe Oleracea Martius (Arecaceae) In Acre State, Brazil, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
The açai palm (Euterpe oleracea Martius) is a native palm tree from the Amazon region floodplains and may be indicated as the most economically profitable species of this genus. Its fruit pulp is extracted and widely consumed by the population of northern Brazil in several ways. With the expansion of the planted area many factors may affect the production and limit the cultivation, highlighting the occurrence of insect pests that cause losses in production. This report presents the first occurrence of the leafhopper Aetalion reticulatum (Linnaeus) (Hemiptera: Auchenorrhyncha: Aethalionidae) in E. oleracea plants. The occurrence of this insect associated with …
Can Peers Improve Agricultural Revenue?, Tisorn Songsermsawas, Kathy Baylis, Ashwini Chhatre, Hope Michelson
Can Peers Improve Agricultural Revenue?, Tisorn Songsermsawas, Kathy Baylis, Ashwini Chhatre, Hope Michelson
Kathy Baylis
Crop revenues vary greatly among farmers and the source of that variation is not fully understood. Using a household survey from India, we estimate peer effects on cash crop revenue. Results show that 60% of farmers' revenue can be explained by peers. Peer effects in input expenditure and land allocation cannot fully explain the variation in revenue, implying peers may also associate with management, negotiation and marketing strategies. Although caste-based networks are important, their effect is substantially smaller than that of self-reported peers. Peer effects are strongest for agricultural peers and in the cultivation of a new crop.
Strategic Management In Agriculture (Recording), Steven Slezak
Strategic Management In Agriculture (Recording), Steven Slezak
Steven Slezak
No abstract provided.
Exploring Alternatives For Sustainable Development In The Tamiahua Wetlands, Luis Felipe Luna-Reyes, Jorge A. Durán-Encalada, Erick R. Bandala
Exploring Alternatives For Sustainable Development In The Tamiahua Wetlands, Luis Felipe Luna-Reyes, Jorge A. Durán-Encalada, Erick R. Bandala
Journal of Entrepreneurship, Management and Innovation JEMI
This article presents a preliminary System Dynamics model developed to analyze the sustainability of a natural reserve in Mexico: the Tamiahua Wetlands. Wetlands are often referred to as nature’s kidneys because they filter contaminants from water. In spite of their importance, wetlands are endangered areas around the world. In order to build the model we take into account the Fishbanks model developed by Meadows (2004) as a starting point. Then, the model considers variables related to changes in total and economically active populations, and contaminants in water. The preliminary model presented in this study implies that fishing activity in the …
Environmental Impacts Of Stover Removal In The Corn Belt, Alicia English, Wallace E. Tyner, Juan Sesmero, Phillip Owens, David J. Muth Jr.
Environmental Impacts Of Stover Removal In The Corn Belt, Alicia English, Wallace E. Tyner, Juan Sesmero, Phillip Owens, David J. Muth Jr.
David J. Muth
When considering the market for biomass from corn stover resources erosion and soil quality issues are important to consider. Removal of stover can be beneficial in some areas, especially when coordinated with other conservation practices, such as vegetative barrier strips and cover crops. However, benefits are highly dependent on several factors, namely if farmers see costs and benefits associated with erosion and the tradeoffs with the removal of biomass. This paper uses results from an integrated RUSLE2/WEPS model to incorporate six different regime choices, covering management, harvest and conservation, into a simple profit maximization model to show these tradeoffs.
Mites (Arachnida: Acari) Collected On Rubber Trees Hevea Brasiliensis (Willd. Ex A.Juss.) Müll.Arg. In Santana, Amapá State, Brazil, Rodrigo Souza Santos Rss
Mites (Arachnida: Acari) Collected On Rubber Trees Hevea Brasiliensis (Willd. Ex A.Juss.) Müll.Arg. In Santana, Amapá State, Brazil, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
The purpose of this study was to elaborate a preliminary list of the mite species associated with rubber trees in the municipality of Santana, in the state of Amapá, Brazil. Two collections of rubber tree leaves were conducted on May 2nd and June 5th , 2010. Twenty-five plants were sampled at random. Three leaves were collected per plant, from the lower third of the crown. The samples were placed in paper bags, packed in an isothermal box chilled gel-based pulp plant (Gelo-X®), and transported to the Entomology Laboratory at Embrapa Amapá, in Macapá. The leaflets were examined under a stereomicroscope, …
Labor Unions And Climate Change, Jon Foster
Labor Unions And Climate Change, Jon Foster
Jon Foster
The challenge of climate change and the need for a shift to more ecologically sustainable methods of production and innovation can dramatically redefine the strategy and objectives of the labor movement as a whole. Furthermore, within the specific sectors of: Agriculture, Construction, Utilities, and Automobiles, the reality of a changing environment, and social views, has already begun redefining what the future of these industries will mean in relation to labor unions.
New Models Of Emergence Traps For Endophytic Egg Parasitoids Capture, Rodrigo Souza Santos Rss
New Models Of Emergence Traps For Endophytic Egg Parasitoids Capture, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
For strain selection studies of natural enemies from the field, studies of behavior or even of taxonomy, capture of alive insects are of great importance. One alternative for obtaining adult parasitoids (Hymenoptera) is the use of emergency traps. Therefore, the objective of this work was to propose two models of emergency traps (traps like “box” and “bottle”), for obtaining alive endophytic egg parasitoids. The two models proposed were efficient in the capture of alive parasitoids, however a larger capture of specimens was observed in the “box” trap in relation to the e “bottle”, due to larger folioles storage inside the …
Diversity And Spatial Distribution Of Ground Arthropods In Agroecosystems, Rodrigo Souza Santos Rss
Diversity And Spatial Distribution Of Ground Arthropods In Agroecosystems, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
The knowledge of the diversity and distribution of ground arthropods contributes for the development of sustainable agricultural systems. This work was carried out at the Paulista State University, Jaboticabal campus, State of São Paulo, Brazil, during the period from February to April 2004. The objective was to analyse the community of Carabidae, Staphylinidae, Formicidae e Araneae through faunistic indexes, to determine the spatial distribution and interespecific interactions of predominant species in soybean (Glycine max (L.) Merr.), corn (Zea mays L.) and rubber tree (Hevea brasiliensis Muell. Arg.). The arthropods were sampled by pitfall traps distributed each 10 m in two …
Antidumping Duties In The Agriculture Sector: Trade Restricting Or Trade Deflecting?, Nisha Malhotra, Horatiu Rus, Shinan Kassam
Antidumping Duties In The Agriculture Sector: Trade Restricting Or Trade Deflecting?, Nisha Malhotra, Horatiu Rus, Shinan Kassam
Nisha Malhotra
In this paper we analyze whether U.S. Anti-Dumping (AD) duties in the agricultural sector are effective in restricting trade. More specifically, does imposition of an antidumping duty restrict imports of the named commodity or is there a diversion in the supply of imports from countries named in the petition to countries not named in the antidumping petition? We find that AD duties have had a significant impact on the imports of agricultural commodities from the countries named in the petition. However, our results also indicate that, unlike the manufacturing sector in the US, there was little trade diversion towards countries …
Occurrence Of Fidicinoides Pauliensis Boulard & Martinelli, 1996 (Hemiptera: Cicadidae) In Coffee Plant In Tapiratiba, Sp, Rodrigo Souza Santos Rss
Occurrence Of Fidicinoides Pauliensis Boulard & Martinelli, 1996 (Hemiptera: Cicadidae) In Coffee Plant In Tapiratiba, Sp, Rodrigo Souza Santos Rss
Rodrigo Souza Santos RSS
This paper presents the first register of Fidicinoides pauliensis Boulard & Martinelli, 1996 in coffee plant in the municipality of Tapiratiba, State of São Paulo, Brazil. The characterization and illustrations of the species are presented.