Results 61 to 70 of about 210,384 (265)

Legado de una identidad institucional en el Colegio Francisco Antonio Zea de Usme –IED

open access: yesCambios y Permanencias, 2017
Across an institution different narratives journey and imaginary with happening of the years, which prepare representations on its place in the history and the role that it redeems for a community in a specific territory. In this sense,
Marlon Arias Sánchez
doaj  

Nitrogen Fertilization Temporarily Enhances Phosphatase Activity in a High‐P Loamy Sand

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background Efficient plant utilization of soil phosphorus (P) is essential to reduce dependence on mineral P fertilizers in intensive agriculture. Input of mineral nitrogen (N) fertilizers and its chemical form may influence the activity of P mineralizing enzymes, but how this interaction operates under field conditions in a soil with high P ...
Ingeborg F. Pedersen   +3 more
wiley   +1 more source

The Paleobiolinguistics of Maize (Zea mays L.)

open access: yesEthnobiology Letters, 2014
Paleobiolinguistics is used to determine when and where maize (Zea mays) developed significance for different prehistoric groups of Native America. Dates and locations of proto-languages for which maize terms reconstruct generally accord with crop-origin and dispersal information from plant genetics and archaeobotany. Paleobiolinguistic and other lines
Brown C.   +4 more
openaire   +7 more sources

Assessing plant water status: Part 1 – Classical methods

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract As a result of the changing climate, water scarcity poses a significant threat to crop and pasture production. Although soil water content can indicate drought, its measurements often provide limited spatial resolution and are weakly correlated with plant water status, producing misleading drought assessments.
Naila Farooq   +7 more
wiley   +1 more source

Composition and functionalities of peanut protein concentrates using ethanol as a defatted solvent and a precipitating agent

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Defatted solids (DSs) from vegetable oil extraction represent valuable feedstocks for producing protein concentrates with tailored functional properties. In the present study, using peanut protein concentrates obtained from press cakes defatted with ethanol (DSEt) or hexane (DSHx), we aimed to evaluate ethanol as a green solvent for
Paloma Jamily Cristina Magalhães   +8 more
wiley   +1 more source

Zea mays L.

open access: yes, 2021
Zea mays L. Mais Art ISFS: 455800 Checklist: 1050690 Poaceae Zea Zea mays L. Zusammenfassung Artbeschreibung (nach Lauber & al. 2018): Bis 2,5 m hoch. Stängel bis 5 cm dick, massiv. Blätter bis 10 cm breit und über 1 m lang. Einhäusig. Männliche Ährchen 2 blütig, in bis 20 cm langen Scheinähren, einen rispigen Gesamtblütenstand bildend.
openaire   +3 more sources

Soybean isoflavone reduces the residue of zearalenone in the muscle and liver of prepubertal gilts

open access: yesAnimal, 2013
The aim of the present study was to evaluate the protective effects of isoflavone (ISO) against zearalenone (ZEA) residues in the muscle and liver tissues of prepubertal gilts.
D.F. Wang   +4 more
doaj   +1 more source

Nitrogen‐Fixing Woody Plants Sequester More Soil Mineral‐Associated Carbon and Lose Less Particulate Carbon Than Herbs Post Vegetation Restoration

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Dividing soil organic carbon (SOC) into particulate (POC) and mineral‐associated organic carbon (MAOC) is crucial for understanding the formation, persistence, and functions of soil carbon. However, current understanding of the dynamics of new and old carbon in POC and MAOC following vegetation restoration remains unclear.
Yang Liao   +9 more
wiley   +1 more source

Integrating Multiple Approaches to Reveal the Spatiotemporal Pattern of Soil Erosion in Mollisol Watershed

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Although numerous prediction methods have been developed, scientific estimation of the spatiotemporal pattern of soil erosion at the watershed scale remains challenging. In this study, fallout radionuclides of 210Pbex and 137Cs were used to estimate average annual soil erosion and deposition in a Mollisol watershed in Northeast China ...
Shaoliang Zhang   +7 more
wiley   +1 more source

From Salt‐Affected Marginal Land Resource to Remediation Agent: Halophyte‐Derived Biochar for Ameliorating Cd‐Contaminated Acidic Soil

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Cadmium (Cd) contamination of acidic soils poses a significant threat to ecosystem stability and crop health. This study evaluated the potential of biochar derived from the halophyte Salicornia europaea (SBC), a salt‐tolerant plant that grows on saline‐alkali marginal land, to remediate Cd‐contaminated acidic soil.
Shaoqing Ge   +3 more
wiley   +1 more source

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