Results 71 to 80 of about 1,047,697 (160)

A bio-economic model to improve profitability in a large national beef cattle population

open access: yesSpanish Journal of Agricultural Research, 2017
A bio-economic model was developed for estimating economic values for use in improving profitability in a large national beef cattle population from birth to slaughter. Results were divided into fattening costs, production costs and income.
Javier López-Paredes   +4 more
doaj   +1 more source

Maintenance of genetic diversity in subdivided populations using genomic coancestry matrices

open access: yesMolecular Ecology Resources, Volume 25, Issue 5, July 2025.
Abstract For both undivided and subdivided populations, the consensus method to maintain genetic diversity is the Optimal Contribution (OC) method. For subdivided populations, this method determines the optimal contribution of each candidate to each subpopulation to maximize global genetic diversity (which implicitly optimizes migration between ...
Elisabeth Morales‐González   +3 more
wiley   +1 more source

Advancements in Water‐Saving Strategies and Crop Adaptation to Drought: A Comprehensive Review

open access: yesPhysiologia Plantarum, Volume 177, Issue 4, July/August 2025.
ABSTRACT Drought stress, which is one of the most critical environmental constraints affecting global crop productivity, is exacerbated by climate change and increased atmospheric water demand. This review comprehensively examines plant responses to drought, integrating physiological, morphological, biochemical, and genetic adaptations that contribute ...
Juan D. Franco‐Navarro   +12 more
wiley   +1 more source

Discrimination Among New Vegetative Materials of Passiflora edulis Sims. From Canary Islands by Their Volatile Profile

open access: yesFlavour and Fragrance Journal, Volume 40, Issue 2, Page 365-383, March 2025.
The volatile compound profiling of different passion fruit samples grown in the Canary Islands is performed by HS‐SPME‐GC–MS, while applying novel green metrics to show sustainability, and with linear discrimination analysis able to discriminate a new variety. ABSTRACT This study shows the successful discrimination among different passion fruit samples
Montse Saura‐Cayuela   +6 more
wiley   +1 more source

Fertilidad del suelo con prácticas agroecológicas y manejo convencional en el cultivo de café

open access: yesLa Calera, 2014
Las prácticas agroecológicas en plantaciones de café (Coffea arabica L.), son necesarias para el mantenimiento y aumento de la fertilidad de los suelos y el manejo sostenible de las plantaciones.
Roberto C. Larios-González   +2 more
doaj  

Effect of dietary supplementation of two fiber sources differing on fermentability and hydration capacity on performance, nutrient digestibility and cecal fermentation in broilers from 1 to 42 d of age

open access: yesPoultry Science
: A total of 378 Cobb-500 male broilers were used to evaluate the effects of 2 fiber sources, differing in hydration capacity and fermentability, on gastrointestinal tract development, apparent ileal digestibility and performance from 1 to 42d of age ...
A. Rybicka   +3 more
doaj   +1 more source

Surface Damaged by Xylotrechus arvicola Larvae on Vitis vinifera: Relationship With Resistance and Breaking Times

open access: yesAustralian Journal of Grape and Wine Research, Volume 2025, Issue 1, 2025.
Background and Aims: The main wine‐producing areas of the Iberian Peninsula are affected by Xylotrechus arvicola, an insect pest species which causes structural and biomechanical damage in vineyards (Vitis vinifera) due to the ingestion of vascular tissues. Methods and Results: To evaluate the mechanical properties of wood affected by X.
Álvaro Rodríguez-González   +10 more
wiley   +1 more source

SISTEMATIZACIÓN DE LA EXPERIENCIA DE LOS SUBPROYECTOS DE LA CADENA DE GANADO VACUNO DESTINADO A LA PRODUCCIÓN DE LECHE FINANCIADOS POR EL PROGRAMA NACIONAL DE INNOVACIÓN AGRARIA. [PDF]

open access: yes, 2020
44 páginasEl presente estudio muestra el análisis de los resultados de los subproyectos que el PNIA ha financiado en el tema de la cadena productiva de ganado vacuno destinado a la producción de leche con una mirada específica a cada uno de ellos, así ...
Instituto Nacional de Innovación Agraria, INIA
core   +1 more source

Effects of nitrogen fertilization and nitrification inhibitor product on vegetative growth, production and oil quality in ‘Arbequina’ hedgerow and ‘Picual’ vase-trained orchards

open access: yesGrasas y Aceites, 2017
Two experiments were carried out in olive orchards in the center of Spain over a three-year period. In this cold and dry area, growers traditionally apply large amounts of N with no experimental knowledge.
A. Centeno   +2 more
doaj   +1 more source

La producción agraria y la biodiversidad en la normativa agraria de la Comunidad Autónoma de La Rioja

open access: yes, 2003
No cabe legislar en materia agraria sin considerar sus repercusiones en la flora y en la fauna, por lo que se hace preciso introducir nuevos instrumentos jurídicos para salvaguardar la biodiversividad.
Sánchez Hernández, Ángel   +1 more
core   +1 more source

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