Results 41 to 50 of about 750 (163)

The Unstable Relationship Between Drought Status and Leaf Water Content Complicates the Remote Sensing of Tree Drought Stress

open access: yesGlobal Change Biology, Volume 31, Issue 4, April 2025.
Remote sensing can monitor plant drought stress across ecosystems but is limited by uncertain links between physiological stress and measurements of water content. We examined how water potential and water content, measured in the field, laboratory, and via airborne imaging, vary over time and space in two oak species.
Indra Boving   +5 more
wiley   +1 more source

Efectos de la fertilización fosforada sobre el rendimiento y contenido de nutrientes en trigo

open access: yesSemiárida, 2020
Los niveles de fósforo asimilable presentes en suelos de gran parte de la región semiárida pampeana, son considerados Iimitantes para 108 rendimientos. Esos niveles generalmente no concuerdan con las respuestas a la fertilización, posiblemente porque el método utilizado (Bray-Kurtz 1) ha sido calibrado para otro tipo de suelos. Por esta razón, se llevó
P. A. Pérez Poveda, G. Squizziatto
openaire   +1 more source

Contenido de los nutrientes básicos en Catolaccus grandis Burks criados sobre larvas del picudo del algodon [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2000
El objetivo del trabajo fue determinar los niveles de carbohidratos, proteínas solubles y aminoácidos libres de larvas, pupas hembras y adultos hembras de Catolaccus grandis (Burks) (Hymenoptera: Pteromalidae) criados sobre larvas del picudo del algodón envenenadas por hembras del parasitoide y por larvas de primer instar del parasitoide.
ARAUJO, LÚCIA HELENA AVELINO   +2 more
openaire   +4 more sources

Review of ecological valuation and equivalency analysis methods for assessing temperate nearshore submerged aquatic vegetation

open access: yesConservation Biology, Volume 39, Issue 1, February 2025.
Abstract Nearshore seagrass, kelp, and other macroalgae beds (submerged aquatic vegetation [SAV]) are productive and important ecosystems. Mitigating anthropogenic impacts on these habitats requires tools to quantify their ecological value and the debits and credits of impact and mitigation.
Rachel E. Pausch   +10 more
wiley   +1 more source

Absorción de nutrientes en arroz en un suelo inceptisol bajo riego en Coclé, Panamá

open access: yesAgronomía Mesoamericana, 2019
Introducción. El contenido de nutrientes en la planta de arroz (Oryza sativa) durante sus etapas fenológicas del cultivo es afectado por la disponibilidad de nutrientes en el suelo, la dosis y fuente de los fertilizantes, las variedades y los sistemas de
Luis Alberto Barahona-Amores   +3 more
doaj   +1 more source

Testing the contribution of vertebrate predators and leaf traits to mainland–island differences in insect herbivory on oaks

open access: yesJournal of Ecology, Volume 113, Issue 1, Page 140-154, January 2025.
The authors explored how insularity influences herbivory in oaks across island–mainland sites. By experimentally excluding vertebrate predators (e.g. birds, bats) and measuring leaf traits (e.g. phenolics, specific leaf area, nutrients), they provide insights into the mechanisms driving island–mainland herbivory patterns.
Carla Vázquez‐González   +14 more
wiley   +1 more source

Nutritional quality of photosynthetically diverse crops under future climates

open access: yesPLANTS, 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

Biofortificación de Frijol (Phaseolus vulgaris L.) Variedad Verdín con Quelato y Sulfato de Hierro

open access: yesTerra Latinoamericana
La biofortificación es el proceso por medio del cual se puede incrementar el contenido de nutrientes en la parte comestible de las plantas cultivadas. El objetivo fue determinar el efecto del quelato y sulfato de hierro aplicado de forma foliar y edáfica
Jean W. Félix   +4 more
doaj   +1 more source

Conocimiento tradicional y contenido nutricional de Salmea scandens

open access: yesCiencia Ergo Sum, 2020
Salmea scandens, conocida como palo de chile, es una planta económicamente importante en la región costa de Oaxaca. Con el objetivo de documentar el conocimiento tradicional de su uso y el contenido de nutrientes de la parte comestible, se realizó un ...
Carolina Pérez José   +5 more
doaj   +1 more source

Natural forest colonisation as a management strategy to restore soil functioning of abandoned agricultural lands

open access: yesJournal of Applied Ecology, Volume 61, Issue 11, Page 2690-2700, November 2024.
Though its effectiveness is variable, passive restoration can be more effective than active restoration. Our research indicates that passive tree colonisation of past agricultural land is enough to achieve soil functionality similar to a mature forest for most variables studied. However, some variables would need more time to reach mature forest levels,
B. Acuña‐Míguez   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy