Results 51 to 60 of about 203,700 (170)

Effects of bio‐slurry and inorganic nitrogen fertilizer rates on wheat yield components, yield, and soil properties

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.
Abstract Maintaining soil fertility and enhancing food production on smallholder farms in Ethiopia remain a major challenge due to severe nutrient depletion caused by continuous cropping with minimal external nutrient inputs. In this context, a field study was conducted on Nitisols over two consecutive cropping seasons (2022–2023) across four locations
Ashenafi Nigusse   +11 more
wiley   +1 more source

Plan de mejoramiento continuo para los procesos de producción de Calzado Chávez [PDF]

open access: yes, 2015
1. El problema.-- 2. Marco teórico.-- 3. Metodología.-- 4. Análisis e interpretación de resultados.-- 5. La propuesta.-- 6. Conclusiones y recomendaciones.Una forma efectiva de poner en práctica todos los conocimientos adquiridos a lo largo de nuestra ...
Chávez Mena, Rómel Santiago
core   +1 more source

Microcrédito para mejoras de viviendas populares: poco para muchos

open access: yesPampa: Revista Interuniversitaria de Estudios Territoriales, 2013
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Cristina Bosio   +4 more
doaj   +1 more source

Use of historical data improves early selection in a public rice breeding program

open access: yesCrop Science, Volume 65, Issue 6, November/December 2025.
Abstract Increasing selection accuracy for parental lines in the early stages of a breeding program can significantly shorten the breeding cycle and accelerate genetic gain. Public breeding programs have limited resources, which in many cases implies not having enough funds for genomic selection.
Sheila Scheffel   +5 more
wiley   +1 more source

De la República de Platón al transhumanismo de Bostrom: Divergencias estatistas y liberales en las teorías filosóficas de mejoramiento humano y sus consecuencias axiológicas

open access: yesIsegoría
Los planteamientos de mejora humana a través de medios que trascienden los del humanismo clásico y apuestan por un control del material genético de las generaciones venideras están muy presentes en la historia de la filosofía desde una pluralidad de ...
Víctor Muriel Martín
doaj   +1 more source

Improving Genomic Prediction Using High‐Dimensional Secondary Phenotypes: The Genetic Latent Factor Approach

open access: yesBiometrical Journal, Volume 67, Issue 5, October 2025.
ABSTRACT Decreasing costs and new technologies have led to an increase in the amount of data available to plant breeding programs. High‐throughput phenotyping (HTP) platforms routinely generate high‐dimensional datasets of secondary features that may be used to improve genomic prediction accuracy.
Killian A. C. Melsen   +6 more
wiley   +1 more source

Marcadores del Gen Leptina en Bovinos Cruzados con Angus, Cebú, Romosinuano y Blanco Orejinegro

open access: yesRevista Científica, 2009
Los cruzamientos incrementan el rendimiento a través del aumento de los niveles de producción de las características de importancia económica como precocidad, fertilidad, calidad de la carne y rendimiento en canal, entre otras.
Mario Fernando Cerón-Muñoz   +4 more
doaj  

Genes and mutations in morphological characteristics, productive and reproductive behavior, and carcass and meat quality in pig breeds - advances in genetic improvement

open access: yesTropical and Subtropical Agroecosystems
Background.  The pig (Sus scrofa domesticus) is one of the most important livestock species due to its high productive efficiency, rapid growth rate, high prolificacy, and favourable feed conversion.
Dany Alejandro Dzib Cauich   +5 more
doaj   +1 more source

Reactive oxygen species act as signaling molecules to control root hair initiation and tip growth

open access: yesNew Phytologist, Volume 247, Issue 5, Page 2042-2048, September 2025.
Summary Root hairs (RHs) increase the surface area of roots, facilitating nutrient and water uptake and plant anchorage. RHs form from root epidermal cells and elongate by polar tip growth. Reactive oxygen species (ROS) have recently been implicated as important signals that drive RH formation and elongation using both genetic and imaging approaches ...
Megan E. Gerber   +2 more
wiley   +1 more source

Fichas técnicas para mejoramiento de vivienda

open access: yes, 1990
Con el propósito de dar respuesta a los requerimientos de las comunidades de escasos recursos en el ámbito del mejoramiento de vivienda se ha diseñado una serie de fichas técnicas cuyos temas hacen referencia a las partes del proceso constructivo que con
Ibarra, Henry
core  

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