Targeted nitrogen management to increase cereal production while reducing nitrogen consumption in India

Tek Sapkota Sieglinde Snapp (2022, [Objeto de congreso])

CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA CEREAL PRODUCTS PRODUCTION SYSTEMS CEREALS NITROGEN RICE WHEAT MAIZE

Can I speak to the manager? The gender dynamics of decision-making in Kenyan maize plots

Rachel Voss Zachary Gitonga Jason Donovan Mariana Garcia-Medina Pauline Muindi (2023, [Artículo])

Gender and social inclusion efforts in agricultural development are focused on making uptake of agricultural technologies more equitable. Yet research looking at how gender relations influence technology uptake often assumes that men and women within a household make farm management decisions as individuals. Relatively little is understood about the dynamics of agricultural decision-making within dual-adult households where individuals’ management choices are likely influenced by others in the household. This study used vignettes to examine decision-making related to maize plot management in 698 dual-adult households in rural Kenya. The results indicated a high degree of joint management of maize plots (55%), although some management decisions—notably those related to purchased inputs—were slightly more likely to be controlled by men, while other decisions—including those related to hiring of labor and maize end uses—were more likely to be made by women. The prevalence of joint decision-making underscores the importance of ensuring that both men’s and women’s priorities and needs are reflected in design and marketing of interventions to support maize production, including those related to seed systems, farmer capacity building, and input delivery.

Intrahousehold Jointness CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA GENDER HOUSEHOLDS MAIZE SEED SYSTEMS DECISION MAKING

Editorial: Conservation agriculture: knowledge frontiers around the world

Stéphane Cordeau ML JAT Cameron Pittelkow Christian Thierfelder (2023, [Artículo])

No-Tillage Direct Seeding Cover Crops Crop Diversification CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA COVER PLANTS DIVERSIFICATION CROPPING SYSTEMS DIRECT SOWING ZERO TILLAGE

Transformando sistemas agroalimentarios en CentroSur-Sureste de Mexico: Innovación para sustentabilidad, competitividad y inclusión

Jelle Van Loon (2022, [Objeto de congreso])

CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA AGRIFOOD SYSTEMS BIODIVERSITY CONSERVATION FOOD SECURITY SUSTAINABLE INTENSIFICATION

Agroecology and systems analysis for sustainable agriculture

Santiago Lopez-Ridaura (2022, [Artículo])

Multi-Criteria Tradeoffs Synergies CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA AGROECOLOGY INDICATORS SUSTAINABILITY FARMING SYSTEMS

Hacia una agricultura sustentable: Impacto de la red de colaboraciones

Jelle Van Loon (2022, [Objeto de congreso])

CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA AGRIFOOD SYSTEMS BIODIVERSITY CONSERVATION FOOD SECURITY CONSERVATION AGRICULTURE

Seed systems in Sudan: an annotated bibliography

Hugo De Groote Paswel Marenya (2023, [Libro])

CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA SEED SYSTEMS SEED INDUSTRY BIBLIOGRAPHIES

Studies of plant hydraulics and water relations in mexican environments: adaptation, physiology, and applications

Estudios sobre hidráulica y relaciones hídricas de plantas en ambientes mexicanos: adaptaciones, fisiología y aplicaciones

RODRIGO MENDEZ ALONZO Mark Olson Horacio Paz Casandra Reyes García CELENE MARISOL ESPADAS MANRIQUE CLARA TINOCO OJANGUREN Santiago Trueba (2022, [Artículo])

Given the outstanding global progress of research on the hydraulic pathway in plants, and its important role as an indicator of plant mortality risk, we reviewed: (1) the adaptive basis of hydraulic traits and their importance for overall plant function; (2) the number of primary scientific articles on plant hydraulics that have been produced in Mexico in the last 40 years, (3) research related to specific environments in Mexico, and (4) the possible applications of plant hydraulics to natural resource management. Our systematic review included 83 articles. The number of publications per year steadily increased over time, reaching its maximum in 2021. Veracruz and Yucatán are the states where the majority of scientific articles on plant hydraulics have been produced, but for most states less than two publications on this subject appeared in ca. 40 years, and none was found for Oaxaca and Chiapas, the most biodiverse states. In plant hydraulics, the most studied biome in Mexico was the tropical dry forest, followed by crops; trees were the most studied growth-form, followed by herbaceous crops and epiphytes. We point to the need of enhancing research in the interface between plant hydraulic function and remote sensing, as well as developing applications in adaptive forest management and ecological restoration. We hope that this review may ignite a national collaborative effort to quantify critical traits that could inform the hydraulic functioning of Mexican ecosystems, particularly in the underrepresented and highly diverse states of Mexico. © 2022 Sociedad Botanica de Mexico, A.C. All rights reserved.

ADAPTATION DROUGHT VULNERABILITY ECOPHYSIOLOGY PLANT WATER RELATIONS SYSTEMATIC REVIEW BIOLOGÍA Y QUÍMICA CIENCIAS DE LA VIDA BIOLOGÍA VEGETAL (BOTÁNICA) ECOLOGÍA VEGETAL ECOLOGÍA VEGETAL

Revisiting the phylogeny and taxonomy of the Pithecellobium clade (Leguminosae, Caesalpinioideae) with new generic circumscriptions

Iván Tamayo-Cen Benjamin Torke JOSE ENRIQUE LOPEZ CONTRERAS GERMAN CARNEVALI FERNANDEZ CONCHA Ivón Mercedes Ramírez Morillo Lilia Lorena Can Itza RODRIGO STEFANO DUNO (2022, [Artículo])

We present the most complete molecular phylogeny to date of the Pithecellobium clade of subfamily Caesalpinioideae. This neotropical group was informally recognised (as the Pithecellobium alliance) at the end of the 20th century by Barneby and Grimes (1996) and includes five genera and 33 species distributed from the southern United States and Caribbean Islands to north-eastern South America. Our aims were to further test the monophyly of the group and its genera and to identify sister group relationships within and amongst the genera. A phylogenetic analysis of nuclear ribosomal DNA sequences (ITS and ETS) was performed. The results provide further support for the monophyly of the Pithecellobium clade. The genera Ebenopsis, Pithecellobium and Sphinga were strongly supported as monophyletic. Havardia and Painteria were found to be non-monophyletic, prompting their re-circumscriptions and the description of two new genera: Gretheria and Ricoa. New combinations are made for the three species transferred to the new genera. © Iván Tamayo-Cen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

FABACEAE INGEAE INGOID CLADE MIMOSOID NEW WORLD PHYLOGENETIC SYSTEMATIC TAXONOMY BIOLOGÍA Y QUÍMICA CIENCIAS DE LA VIDA BIOLOGÍA VEGETAL (BOTÁNICA) TAXONOMÍA VEGETAL TAXONOMÍA VEGETAL

El impacto de los mantenimientos preventivos en los sistemas fotovoltaicos interconectados a la red de distribución eléctrica

Kassandra Elizabeth López Esparza Raúl Pérez Bustamante GUILLERMO RAUL GARCIA FERRERA (2023, [Artículo])

La obligación de llevar un sistema o equipo a su máximo rendimiento y operación, así como la resolución de posibles fallas en el mismo, ha dado lugar a la necesidad de desarrollar un ámbito especializado dedicado exclusivamente a abordar estas obligaciones. De esto surge el campo del mantenimiento, cuyo propósito fundamental es asegurar el funcionamiento adecuado de los equipos o instalaciones en los cuales se lleva a cabo dicho trabajo, así como corregir y prevenir fallas o problemas en los sistemas en cuestión. El mantenimiento puede aplicarse en una amplia gama de sectores donde se necesite prevenir o corregir alguna operación, y en el caso del sector energético renovable esto no es una excepción. En particular, el mantenimiento de los sistemas fotovoltaicos interconectadas a la red (SFIR) busca llevar la instalación a su mejor zona de operación y funcionamiento para con esto asegurar la generación de energía. Es por esta razón, que el sector energético se ha unido al desarrollo de una rama que se dedique a la operación y mantenimiento (O&M) de los sistemas fotovoltaicos. En este artículo se exponen los resultados de un estudio de mantenimiento preventivo en una instalación fotovoltaica ubicada en el estado de Aguascalientes, el cual fue realizado por Sunna Power, una empresa dedicada a ofrecer servicios de mantenimiento a SFIR en México. El trabajo explorará el estado de la instalación previo al mantenimiento y su situación una vez que éste ha sido ejecutado. Aun cuando los SFIR requieren poco mantenimiento, este articulo pretende demostrar que a pesar de esto la implementación de un plan de mantenimiento en las instalaciones puede generar un impacto positivo en la producción de energía del sistema, mostrando los resultados obtenidos en el mantenimiento ejecutado en la instalación fotovoltaica.

The obligation to ensure that a system or piece of equipment achieves its maximum performance and functionality, and to correct any failures that may occur, has led to the need to develop a specialized field dedicated exclusively to meeting these obligations. This has given rise to the field of maintenance, the basic aim of which is to ensure the correct functioning of the equipment or installations on which the work is carried out, and to correct and prevent any failures or problems in the systems concerned; maintenance can be applied in a wide range of sectors where it is necessary to prevent or correct an operation, and the renewable energy sector is no exception. In particular, the maintenance of photovoltaic systems connected to the grid (SFIR) aims to bring the installation to its best operational and functional range in order to guarantee energy production; it is for this reason that the energy sector has participated in the development of a branch dedicated to the operation and maintenance (O&M) of photovoltaic systems. This article presents the results of a preventive maintenance study in a photovoltaic plant located in the state of Aguascalientes, carried out by Sunna Power, a company dedicated to providing maintenance services to SFIR in Mexico. The study examines the condition of the installation before maintenance and the situation after maintenance. Although SFIR requires little maintenance, this article aims to demonstrate that the implementation of a maintenance plan in the plants can nevertheless have a positive impact on the energy production of the system, displaying the results obtained in the maintenance carried out on the photovoltaic installation.

Mantenimiento preventivo Módulo fotovoltaico Plan de mantenimiento Sistema fotovoltaico Preventive maintenance Maintenance plan Photovoltaic system INGENIERÍA Y TECNOLOGÍA CIENCIAS TECNOLÓGICAS OTRAS ESPECIALIDADES TECNOLÓGICAS OTRAS OTRAS