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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 38
Primeira ... 12 ... Última
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Imprime registro no formato completo
Adoption of Improved Wheat Technologies by Small-Scale Farmers in Mbeya District, Southern Highlands, Tanzania AgEcon
Mussei, Ahaz; Mwanga, Judicate; Mwangi, Wilfred; Verkuijl, Hugo; Mongi, Rose; Elanga, Anthony.
This study was conducted to gain an understanding of how small-scale farmers in Mbeya District have adopted improved wheat technologies promoted by the wheat research program at MARTI-Uyole. The specific objectives were to assess farmers’ wheat management practices, determine the technical and socioeconomic factors affecting the adoption of improved wheat technologies, and draw implications for research, extension, and policy. A purposive multistage sampling procedure was used to select 202 farmers, 160 from Tembela Division and 42 from Isangati Division, which are two important wheat-growing areas in Mbeya District. Primary data were collected using structured questionnaires and supplemented by secondary information obtained from MARTI-Uyole. Juhudi was...
Tipo: Report Palavras-chave: Tanzania; Wheats; Varieties; Innovation adoption; Technology transfer; Economic indicators; Socioeconomic environment; Plant breeding methods; Research programs; Crop management; Fertilizer application; Food production; Small farms; Highlands; Crop Production/Industries; E14; E30.
Ano: 2001 URL: http://purl.umn.edu/56190
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An economic analysis of upland crop production systems in Lamdong province, Vietnam International Rice Research Institute
Le Van Lang.
xiii, 105 leaves : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Crops; Agricultural economics; Highlands; Vietnam.
Ano: 1999 URL: http://hdl.handle.net/123456789/523
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Analysis of environmental effects on expression of root penetration QTLs in upland rice International Rice Research Institute
Cairns, Jill Elizabeth.
xxv, 220 p. : ill. Thesis (Ph.D.) -- University of Aberdeen
Tipo: Thesis Palavras-chave: Rice; Environment; Root systems; Quantitative trait loci; Genotype-environment interaction; Drought tolerance; Highlands; Upland rice.
Ano: 2003 URL: http://hdl.handle.net/123456789/411
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Colonization of rice leaffolders Cnaphalocrocis medinalis (Guenee) and Marasmia patnalis Bradley (Lepidoptera: Pyralidae) in upland and irrigated rice fields International Rice Research Institute
Randriamananoro, Jean Joseph.
103 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Insect pests; Cnaphalocrocis medinalis; Population density; Predators; Highlands; Lowlands; Marasmia patnalis; Upland rice; Irrigated rice.
Ano: 1990 URL: http://hdl.handle.net/123456789/1001
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Competition and interference between upland rice and Chromolaena odorata (L.) R.M. King & B. L. Robinson or Ageratum conyzoides L. International Rice Research Institute
Phengchanh, Somphet.
xiv, 88 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Crop-weed competition; Rice; Chromolaena odorata; Ageratum conyzoides; Highlands; Upland rice.
Ano: 1998 URL: http://hdl.handle.net/123456789/546
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Competitive ability of different upland rice cultivars against weeds International Rice Research Institute
Quintero Seoane, Homero.
234 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Weeds; Crop-weed competition; Cultivars; Highlands; Upland rice.
Ano: 1986 URL: http://hdl.handle.net/123456789/1375
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Imprime registro no formato completo
Crop management of upland rice in different environments International Rice Research Institute
Malabuyoc, Jose Almendrala.
221 p.: ill. Thesis (Ph.D.) -- Gregorio Araneta University Foundation
Tipo: Thesis Palavras-chave: Rice; Crop management; Ecology; Highlands; Upland rice.
Ano: 1993 URL: http://hdl.handle.net/123456789/732
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Crop-hedgerow interactions with natural vegetative filter strips on sloping acidic land International Rice Research Institute
Ramiaramanana, Daniele Marie V. H..
141 leaves : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Alley cropping; Zea mays; Pennisetum; Gliricidia; Plant competition; Acid soils; Highlands; Upland rice.
Ano: 1993 URL: http://hdl.handle.net/123456789/722
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Cultivar competitiveness and weed control in upland rice International Rice Research Institute
Chavez, Rebecca Salome C..
242 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Cultivars; Weeds; Weed control; Crop-weed competition; Highlands; Philippines; Upland rice.
Ano: 1989 URL: http://hdl.handle.net/123456789/1165
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Determinants of competition between hedgerow and alley species in a contour hedgerow intercropping system International Rice Research Institute
Solera, Carlito R..
135 leaves : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Alley cropping; Contour farming; Intercropping; Plant competition; Cropping systems; Highlands; Upland rice.
Ano: 1993 URL: http://hdl.handle.net/123456789/717
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Imprime registro no formato completo
Diversidad morfológica y variación isoenzimática de maíces nativos del altiplano centro-oriente del estado de Puebla. Colegio de Postgraduados
Hortelano Santa Rosa, René.
La presente investigación tuvo por objetivo cuantificar y analizar la diversidad genética (a nivel morfológico e isoenzimático) presente actualmente entre poblaciones nativas de maíz (Zea mays L.), cultivadas en la región Centro-Oriente del Altiplano del estado de Puebla, así como establecer las relaciones de similitud que aquellas presentan con las razas reportadas para el área. El trabajo se desarrolló en dos etapas: la primera consistió en la evaluación, en tres localidades, de 134 poblaciones nativas, seis accesiones „tipo‟ de las razas Cónico, Cónico Norteño, Palomero Toluqueño, Chalqueño y sus variantes Chalqueño Crema y Chalqueño Palomo y cuatro variedades comerciales recomendadas para la zona. El diseño empleado fue un látice simple 12x12. Durante...
Palavras-chave: Zea mays L.; Isoenzimas; Poblaciones nativas; Diversidad fenotípica; Valles Altos; Raza Chalqueño; Isozymes; Native populations; Phenotypic diversity; Highlands; Chalqueño race; Doctorado; Genética.
Ano: 2010 URL: http://hdl.handle.net/10521/183
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Imprime registro no formato completo
Diversidad morfológica y variación isoenzimática de maíces nativos del altiplano centro-oriente del estado de Puebla. Colegio de Postgraduados
Hortelano Santa Rosa, René.
La presente investigación tuvo por objetivo cuantificar y analizar la diversidad genética (a nivel morfológico e isoenzimático) presente actualmente entre poblaciones nativas de maíz (Zea mays L.), cultivadas en la región Centro-Oriente del Altiplano del estado de Puebla, así como establecer las relaciones de similitud que aquellas presentan con las razas reportadas para el área. El trabajo se desarrolló en dos etapas: la primera consistió en la evaluación, en tres localidades, de 134 poblaciones nativas, seis accesiones „tipo‟ de las razas Cónico, Cónico Norteño, Palomero Toluqueño, Chalqueño y sus variantes Chalqueño Crema y Chalqueño Palomo y cuatro variedades comerciales recomendadas para la zona. El diseño empleado fue un látice simple 12x12. Durante...
Palavras-chave: Zea mays L.; Isoenzimas; Poblaciones nativas; Diversidad fenotípica; Valles Altos; Raza Chalqueño; Isozymes; Native populations; Phenotypic diversity; Highlands; Chalqueño race; Doctorado; Genética.
Ano: 2010 URL: http://hdl.handle.net/10521/183
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Effect of cultivar and cultural practices on weed control in upland rice (Oryza sativa L.) International Rice Research Institute
Nantasomsaran, Pensee.
219 l. : ill. Thesis (M.S.) -- Kasetsart University
Tipo: Thesis Palavras-chave: Rice; Cultivars; Plant cultural practices; Weed control; Highlands; Upland rice.
Ano: 1988 URL: http://hdl.handle.net/123456789/1203
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Effect of phosphorus in rice seed, applied phosphate and lime on the growth of rice (Oryza sativa L.) in an acid upland soil International Rice Research Institute
Tubana, Brenda Servaz.
xiii, 53 l. : col. ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Seeds; Phosphorus; Phosphates; Lime requirement; Plant growth; Yields; Upland soils; Acid soils; Soil-plant interactions; Highlands; Upland rice.
Ano: 2002 URL: http://hdl.handle.net/123456789/412
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Effects of plant age on the expression of resistance to Pyricularia oryzae Cav. in upland rice varieties International Rice Research Institute
Torres, Claro Q..
82 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Blast disease; Disease resistance; Plant age; Varieties; Magnaporthe grisea; Highlands; Upland rice.
Ano: 1986 URL: http://hdl.handle.net/123456789/1363
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Emerging supply chains of indigenous pork and their impacts on small-scale farmers in upland areas of Vietnam AgEcon
Huong, Pham Thi Mai; Hau, Nguyen Van; Kaufmann, Brigitte; Valle-Zarate, Anne; Mergenthaler, Marcus.
Rising incomes, urbanization and globalization have been leading to profound changes in the consumption habits of an increasing number of people in developing and transition countries, particularly in Asia. These changes are linked to increasing concerns that small-scale farmers are becoming marginalized in new market set-ups. On the back-ground of these developments we analyze how growing demand for indigenous pork – considered a specialty product among consumers in Vietnam – impacts through newly emerging supply chains on small-scale farmers in upland areas. We analyze supply chains and price transmission as well as compare the impact of marketing institutions on the economics of primary production. Results of market surveys show that carcasses of...
Tipo: Conference Paper or Presentation Palavras-chave: High-value products; Supply chains; Indigeneous pigs; Agrogenetic diversity; Marketing margins; Highlands; Developing countries; Vietnam; Agricultural and Food Policy; International Development; Production Economics.
Ano: 2009 URL: http://purl.umn.edu/51628
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Estado atual de conhecimentos sobre sistemas de produção de culturas alimentares para o Estado do Amazonas. Repositório Alice
GALVÃO, E. U. P.; CESAR, J.; ITALIANO, E. C..
1986
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Cultura alimenticio; Sistema de produção; Cultivo migratório; Várzea; Terra firme; Amazônia; Brasil; Food crops; Farming systems; Shifting cultivation; Flood plains; Highlands.
Ano: 1986 URL: http://www.alice.cnptia.embrapa.br/handle/doc/394615
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Imprime registro no formato completo
Estimates of genetic variances in early generations of nine diverse upland rice (Oryza sativa L.) populations International Rice Research Institute
Sison, Emmanuel N..
103 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Genetic variation; Meaurement; Plant breeding; Varieties; Highlands; Upland rice.
Ano: 1989 URL: http://hdl.handle.net/123456789/1103
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Evaluation of hilly lands for appropriate conservation - oriented farming systems International Rice Research Institute
Limbaga, Cesar M..
399 leaves : ill. maps. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Soil; Highlands; Soil erosion; Farming systems; Land use; Productivity; Soil conservation; Rice; Upland rice.
Ano: 1993 URL: http://hdl.handle.net/123456789/736
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Imprime registro no formato completo
Exogenous influences on autecological and ecophysiological responses of Eclipta prostrata (L.) L. International Rice Research Institute
Lee, Han Kyu.
235 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Weeds; Eclipta prostrata; Plant response; Population ecology; Crop-weed competition; Highlands; Upland rice.
Ano: 1988 URL: http://hdl.handle.net/123456789/1212
Registros recuperados: 38
Primeira ... 12 ... Última
 

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