Results 61 to 70 of about 17,997 (229)

Detection of NAM-A1 Natural Variants in Bread Wheat Reveals Differences in Haplotype Distribution between a Worldwide Core Collection and European Elite Germplasm

open access: yesAgronomy, 2015
In wheat, remobilization of nitrogen absorbed before anthesis and regulation of monocarpic senescence is a major issue in breeding for nutrient use efficiency.
Fabien Cormier   +8 more
doaj   +1 more source

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen   +5 more
wiley   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang   +3 more
wiley   +1 more source

Liste variétale céréales

open access: yes, 2018
Liste des variétés recommandées par Bio Suisse, FiBL et Agroscope pour la culture de céréales bio en Suisse (récolte 2019). Outre les recommandations variétales, la liste contient également l’attribution des types de céréales aux différents niveaux de ...
Dierauer, Hansueli
core   +1 more source

Liste variétale céréales

open access: yes, 2019
Liste des variétés recommandées par Bio Suisse, FiBL et Agroscope pour la culture de céréales bio en Suisse (récolte 2020). Outre les recommandations variétales, la liste contient également l’attribution des types de céréales aux différents niveaux de ...
Groupe technique Grandes cultures de Bio Suisse, et al.
core   +1 more source

L'importance, la biologie et la gestion des nématodes à kyste des céréales (Heterodera spp.) - revue bibliographique

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2017
Les céréales sont exposées à des stress biotiques et abiotiques. Parmi les stress biotiques, les nématodes parasites des plantes jouent un rôle important dans la diminution du rendement des cultures.
Fouad MOKRINI   +5 more
doaj  

Alimentation séparée (céréales graines entières + aliment complémentaire granulé) chez les poulets de chair en climat chaud

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1994
La consommation alimentaire et la croissance des poulets de chair sont limitées par les fortes températures. Une alimentation séparée (AS), composée de céréales "graines entières" et d'un aliment complémentaire, a été comparée avec un aliment complet en
T. Yo   +3 more
doaj   +1 more source

Liste variétale céréales

open access: yes, 2022
Liste des variétés recommandées par Bio Suisse, FiBL et Agroscope pour la culture de céréales bio en Suisse (récolte 2023). Outre les recommandations variétales, la liste contient également l’attribution des types de céréales aux différents niveaux de ...
Levy, Lilia, Dierauer, Hansueli
core  

Lost in aggregation? On the importance of local food price data for food poverty estimates

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich   +4 more
wiley   +1 more source

Performance Assessment and Lab‐Scale Economic Evaluation of Alkaline Extraction and Comparative Precipitation of Cyanobacterial Proteins

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Algal proteins from cyanobacteria serve as a natural source of biopolymers. The principal challenge manifests as nonoptimization of unit operations in downstream process accounting for higher costs. This study focuses on process assessment of unit‐operations for selecting suitable recovery strategies not only based on yield, but also considers
Neha Goel   +2 more
wiley   +1 more source

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