Results 61 to 70 of about 98,716 (195)

An investigation of the duration of phosphorous fertilization effects on phosphorous and nitrogen cycling patterns of Pinus elliottii plantations in the southern Cape [PDF]

, 1992
Includes bibliographical references.The effects of phosphorus fertilization and its duration of impact on nutrient cycling patterns in Pinus elliottii plantations were investigated by examining soil phosphorus and nitrogen turnover and litterfall in a 8,
Wienand, Karen Tania
core   +1 more source

IDENTIFICACIÓN DE LAS CAUSAS QUE ALTERAN EL RENDIMIENTO DE LOS EQUIPOS DE EXTRACCIÓN DE MADERA: ESTUDIO DE TIEMPOS Y MOVIMIENTOS IDENTIFICATION OF THE CAUSES THAT ALTER THE PERFORMANCE OF TEAMS LOGGING: STUDY TIME AND MOVEMENT

Biotecnología en el Sector Agropecuario y Agroindustrial, 2009
Los estudios de tiempos y movimientos permiten determinar las causas por las cuales se disminuye el rendimiento en los equipos de extracción forestal durante los procesos de cosecha, diagramando los movimientos rutinarios que permiten determinar los ...
JOSÉ FRANCO ALVIS GORDO, MANUEL ALBERTO SOTELO MUÑOZ   +1 more
doaj  

Assessment of Profitability of Tectona grandis and Pinus patula Seeds Production From Selected Forest Plantations in Tanzania

International Journal of Forestry Research, Volume 2026, Issue 1, 2026.
Levels of profitability and production expenses are crucial decision‐making tools in any organization. This study was undertaken to assess the profitability of T. grandis and P. patula seeds production in selected forest plantations seed sources in Tanzania.
Fortunate Stephen Senya, Greyson Zabron Nyamoga, Yonika Mathew Ngaga, Poorani Gurumallesh   +3 more
wiley   +1 more source

Valorization of Eucalyptus Waste Under Biorefinery Schemes in the Cauca Department, Colombia

International Journal of Forestry Research, Volume 2026, Issue 1, 2026.
In this study, we address the possibility of implementing a biorefinery in commercial eucalyptus forest plantations and adapting to the geographical and cultural conditions of the Cauca department in Colombia, where the use of these plantations is concentrated in harvesting the stems as raw material for the paper, cardboard, and furniture industries ...
Elizabeth Marcela Guerrero-Guerrero, Jorge Alberto Vélez-Lozano, Rolando Barrera-Zapata, Poulami Jha   +3 more
wiley   +1 more source

Comparative Survival and Growth Performance of the Seven Selected Ethiopian Indigenous Plant Species Raised Under Nursery Conditions

International Journal of Forestry Research, Volume 2026, Issue 1, 2026.
Hagenia abyssinica, Afrocarpus falcatus, Juniperus procera, Olea europaea, Pouteria adolfi-friederici, Oldeania alpina, and Oxytenanthera abyssinica are the most valuable but locally endangered indigenous plant species in Ethiopia. To enhance their occurrence, it is very important to raise a large number of seedlings with high quality, a good survival ...
Tinsae Bahru, Poulami Jha
wiley   +1 more source

Integrating Machine Learning and Stand Variables to Model Tree Volume in High‐Elevation Pinus patula Plantations

International Journal of Forestry Research, Volume 2026, Issue 1, 2026.
Accurate individual‐tree volume estimation is essential for the sustainable management of Pinus patula plantations in the Peruvian Andes, where forest inventory data and locally validated growth models remain limited. This study evaluated machine learning algorithms for predicting individual‐tree volume with bark and compared them with the Schumacher ...
Flor Erlita Benavides-Huamán, Yuli Anabel Chávez-Juanito, Denisse Milagros Alva Mendoza, Jim Jairo Villena-Velásquez, Duberli Geomar Elera-Gonzales, Poorani Gurumallesh Prabu   +5 more
wiley   +1 more source

Variação radial e longitudinal da densidade básica da madeira de Pinus patula

Pesquisa Florestal Brasileira, 2018
A densidade básica da madeira é considerada uma das propriedades mais importantes, pois influencia diretamente as demais características físicas para a utilização industrial.
Polliana D'Angelo Rios, Helena Cristina Vieira, Giuliano Ferreira Pereira, Eliana Turmina, Marcos Felipe Nicoletti   +4 more
doaj   +1 more source

The Influence of Spacing on Survival, Growth, and Biomass Accumulation of Eucalyptus globulus (Labill.) in Wogera District, Northwestern Ethiopia

International Journal of Forestry Research, Volume 2026, Issue 1, 2026.
Eucalyptus is the most planted genus in Ethiopia, and it was introduced during the regime of Emperor Menelek II in 1895. Plantation forest establishment with optimum plant density is a major challenge under the current situation of land constraint in the highland areas of Amhara region, Ethiopia.
Hailie Shiferaw Wolle, Alayu Haile, Sewale Wondimneh, Sintayehu Eshetu, Andualem Genetu, Yeshifana Alemneh, Anteneh Yenesew, Demelash Alem, Amsalu Endalamaw, Abayneh Derero, Poorani Gurumallesh Prabu   +10 more
wiley   +1 more source

Evaluación de la repelencia al agua de algunos Andisols de Antioquia bajo cobertura de Pinus patula

Acta Agronómica, 1991
En 115 hectáreas de Andisols bajo cobertura de Pinus panda de la quebrada Piedras Blancas, se encontró repelencia severa al agua en capas con espesores entre 4 y 12 centímetros, sueltas, secas y minerales, distribuídas en parches.
Herrón O. Francisco E., Jaramillo J. Daniel F.   +1 more
doaj  

Establecimiento de Ibalia leucospoides (Hymenoptera: Ibaliidae) endoparásito de Sirex noctilio (Hymenoptera: Siricidae) en La Almona (Jujuy, Argentina) Estableshiment of Ibalia leucospoides (Hymenoptera: Ibaliidae) endoparasite of Sirex noctilio (Hymenoptera: Siricidae) in La Almona (Jujuy, Argentina)

Revista de la Sociedad Entomológica Argentina, 2005
El objetivo del presente trabajo fue evaluar el establecimiento y la adaptación de Ibalia leucospoides (Hockenwarth) endoparásito de Sirex noctilio F. en plantaciones de Pinus taeda (L) y Pinus patula (Cham. et Schlecht) en la provincia de Jujuy.
Susana Muruaga de L'Argentier, Sara Quintana de Quinteros, Claudia Gallardo, Hugo Vilte   +3 more
doaj