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Microorganismos indicadores de contaminación fecal en la escorrentía de un suelo enmendado con estiércol vacuno 

Domenech-Emmanuelli, Angel M. (2013)
Dairy manure application to agricultural soils is a common disposal method of the material that will provide nutrients and organic carbon to the soils, but at the same time adds fecal indicator bacteria (FIB). The effects ...
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Efecto de plantas cobertoras sobre las propiedades biológicas y químicas de tres suelos agrícolas de Puerto Rico 

Charriez-Rosado, Yanuel A. (2021-05-13)
Promover salud de suelo en suelos agrícolas es importante cuando se quiere conservar los recursos naturales. En los últimos años, en Puerto Rico, se ha evidenciado un aumento en interés en el uso de plantas cobertoras. ...
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Mineralización de nitrógeno en suelos bajo agrosistemas de producción de café (Coffea arabica L.) en Puerto Rico 

López-Rodríguez, Glenny L. (2008)
The contribution of annual litter and the nitrogen mineralization rates (NMIN) in the field and in the laboratory were quantified. Three ecosystems were evaluated: 1) unshaded coffee (CSL); 2) shaded coffee (CSM), and 3) ...
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Evaluación de métodos de propagación de Dioscorea spp. para aumentar la disponibilidad de semilla libre de enfermedades 

Miranda-Cortés, Yanira (2019-05-15)
Yam (Dioscorea spp.) is the most economically important crop within the root and tuber in Puerto Rico. However, only 18 % of the local demand is currently produced on the island. The lack of high-quality disease-free ...
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Muestreo e incidencia de moscas del género Anastrepha (Schiner) (Díptera: Tephritidae) en el cultivo de cítricos (Citrus Spp.) en Puerto Rico 

Pujols-Marte, Alejandro (2009)
Fruit flies are considered the most serious problem affecting fruit crops in the world, causing losts of millions of dollars. To evaluate the ocurrence of fruit flies of the genus Anastrepha on various citrus cultivars, ...
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Respuesta del arroz (Oryza sativa) a la fertilización nitrogenada en suelos del Valle de Lajas 

Rodríguez-Monsegur, Juan G. (2019)
El arroz es uno de los cultivos de grano de mayor importancia mundialmente. En Puerto Rico el arroz es parte de la fuente calórica consumida diariamente y en caso de que se produjera, el mejor manejo de nitrógeno (N) ...
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Producción de maíz dulce con leguminosas de cobertura y efectos alelopáticos en cultivos agrónomicos 

Martínez-Mera, Eliana A. (2014)
Sustainable agriculture requires the integration of organic matter, crop rotation and association with legumes to reduce the use of inorganic fertilizer. Therefore, three studies were conducted to compare the effects of ...
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Fertilizer-nitrogen and cover-crop rotation effects on inbred maize (Zea mays L.) yield and soil quality 

Vilches-Ortega, Ada (2019-02-05)
This thesis evaluates the effects of fertilizer-nitrogen (N) and cowpea (Vigna unguiculata (L.) Walp.) cover crop (CC) rotation on inbred maize production, microbial community structure and activity and soil quality. The ...
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Efecto de los daños causados por trípidos (Thysanoptera: Tripidae) en la severidad de Alternaria allii y Acidovorax avenae subsp. Citrulli en el cultivo de cebolla (Alliium cepa L.) en Puerto Rico 

Feliciano-Rivera, Merari (2007)
Two experiments were conducted to determine the effects of thrips populations in the severity of Alternaria allii under field conditions. Alternaria. allii and Acidovorax avenae subsp. citrulli severity and damage index ...
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Bacterias asociadas al cultivo del plátano (Musa sp.) y su relación con el aborto del racimo 

Rengifo-Medina, Judith (2003)
Plantain production (Musa spp.) in Central, South America and the Caribbean is limited by bacterial diseases. In Puerto Rico, the production of the plantain “Hua Moa” is affected by a disease called bunch abortion or choke ...
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AuthorAcevedo-González, Melisa A. (1)Acevedo-Sánchez, María de L. (1)Acevedo-Torres, Verónica (1)Almodóvar-Rodríguez, Luis E. (1)Alquichire-Rojas, Shirley (1)Altema, Rose F. (1)Andújar-Amarante, Feliciano A. (1)Aponte-Zayas, Alfredo (1)Arango-Argoti, Miguel A. (1)Arce-Renta, Sandra C. (1)... View MoreAdvisorMorales-Payán, José P. (16)Valencia-Chin, Elide (16)Beaver, James S. (12)Sotomayor-Ramírez, David (12)Estévez-de Jensen, Consuelo (11)Muñoz, Miguel A. (9)Rivera-Vargas, Lydia I. (9)Segarra-Carmona, Alejandro E. (8)Wessel-Beaver, Linda (8)Chavarría-Carvajal, José A. (7)... View MoreKeywordsPlátano (8)Leguminosas (6)Café (5)Puerto Rico (5)Ñame (5)Calidad (4)Plagas (4)Suelo (4)Bacterias (3)Colletotrichum (3)... View MoreSubject HeadingCover crops (5)Nitrogen fertilizers (3)Biofertilizers (2)Corms (2)Corn--Fertilizers (2)Cover crops--Puerto Rico (2)Earthworms (2)Fungal diseases of plants (2)Growth cabinets and rooms (2)Hymenoptera (2)... View MoreTypeThesis (215)Date2020 - 2021 (19)2010 - 2019 (137)2003 - 2009 (59)Department
Department of Crops and Agro-Environmental Sciences (215)
ProgramCrop Protection (79)Agronomy (55)Soil Sciences (44)Horticulture (34)Food Science and Technology Program (2)Soil Science (1)CollectionTheses & Dissertations (215)

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