Results 71 to 80 of about 157,258 (157)
A bio-economic model to improve profitability in a large national beef cattle population
Spanish 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
La producción agraria en el sur de Aragón (1660-1827) [PDF]
, 2007 This paper studies the agricultural production development in southern Aragon from the 1660s to the beginning of the 19th century. It uses the source of the tithe series in the bishopric of Teruel.
Latorre Ciria, José Manuel
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Nutritional quality of photosynthetically diverse crops under future climates
PLANTS, PEOPLE, PLANET, Volume 6, Issue 6, Page 1272-1283, November 2024.Climate change continues to intensify the challenges of food production as agricultural systems face more variable and extreme weather. Coupled with increasing human population, growers must balance increasing crop yields with nutrient content to prevent global malnutrition. Photosynthetic diversity may permit some crops to shrug off climate change and
Catherine A. Walsh, Marjorie R. Lundgren
wiley +1 more source
El significado de producir alimentos [PDF]
, 2011 Fue en el año 2007 cuando muy ilusionada inicié todos los pasos necesarios para dar de alta una pequeña finca de producción de pollos y huevos ecológicos para la venta directa a consumidores y consumidoras.
Sancho Esteban, Cristina
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Reproduction in Domestic Animals, Volume 59, Issue S3, October 2024.Abstract β‐nerve growth factor (βNGF) plays a crucial role in reproductive physiology and sperm quality. Enzymatic activity of seminal plasma and vaginal fluids reduces available βNGF and it has been demonstrated that chitosan microspheres could protect rrβNGF from degradation.
Silvia Gimeno‐Martos +6 more
wiley +1 more source
Fertilidad del suelo con prácticas agroecológicas y manejo convencional en el cultivo de café
La 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
Poultry 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
Food and Energy Security, Volume 13, Issue 5, September/October 2024.ABSTRACT New approaches for managing agricultural and forestry systems are needed to bring back inputs to levels that are within planetary boundaries and make greater and better use of ecosystem services based on biodiversity. A new scientific framework informed by ecology, agronomy, forestry, and agroforestry is key to designing resilient plant‐based ...
Felipe Bravo +7 more
wiley +1 more source
La producción y la productividad agraria españolas, 1890-1936 [PDF]
, 1994 Editada en la Universidad Carlos IIIEl artículo tiene tres secciones. En la primera he estudiado los cambios a largo plazo del producto final de la agricultura española entre 1891/13. En la segunda sección, los datos con interpretaciones para regiones de
Simpson, James
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Multi-output Technical Efficiency for Argentinean Dairy Farms Using Stochastic Production and Stochastic Distance Frontiers with Unbalanced Panel Data [PDF]
Published by Asociación de Economistas Agrarios de ChileArgentina, dairy farms, panel data, stochastic production and stochastic distance frontiers, technical efficiency, Production Economics, Productivity Analysis,
Arzubi, Amilcar +3 more
core +1 more source