Results 61 to 70 of about 26,835 (221)

Comportamento de adubos verdes de inverno na região serrana fluminense [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2001
O objetivo deste trabalho foi o de avaliar o comportamento de espécies de adubos verdes de inverno, em um Cambissolo Háplico Tb distrófico, sob duas condições de fertilidade, a 1.100 m de altitude.
Carlos Antonio Almeida Barradas   +3 more
doaj   +1 more source

Assessing forage mass using smartphone imagery for cereal rye under grazing conditions in Nebraska

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 1, June 2026.
Abstract Managing grazing efficiency requires reliable and practical tools to estimate forage mass. Traditional methods like clipping, though accurate, are time consuming and labor intensive. In this study, two imaging tools, Canopeo and the Crop Canopy Image Analyzer (CCIA), were evaluated for their efficacy in estimating the forage mass of cereal rye
Pedro H. J. Fernandes   +4 more
wiley   +1 more source

A catalogue of aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) from India [PDF]

open access: yes, 2011
A catalogue of aphidiine parasitoids (Hymenoptera: Braconidae: Aphidiinae) associated with various aphids species occurring in India was compiled. The present catalogue with 125 species under 22 genera has been further reinforced with not only all the ...
Akhtar, Mir Samim   +2 more
core   +1 more source

Gas Chromatography‐Based Methods for Profiling Volatile Off‐Aroma Compounds in Grain Legumes: A Review

open access: yesLegume Science, Volume 8, Issue 2, June 2026.
ABSTRACT Instrumental characterisation of the volatile organic compounds (VOCs), responsible for off‐aroma, is mainly centred on gas chromatography‐based techniques. Despite previous reviews that have addressed the chemical compounds and biosynthetic pathways of off‐aroma generation, to date, there is a lack of a comprehensive review that critically ...
Piyumi Chathurangi Wanniarachchi   +3 more
wiley   +1 more source

Isoliquiritigenin, a Strong nod Gene- and Glyceollin Resistance- Inducing Flavonoid from Soybean Root Exudate [PDF]

open access: yes, 1992
Isoflavonoid signal molecules from soybean (Glycine max (L.) Merr.) seed and root exudate induce the transcription of nodulation (nod) genes in Bradyrhizobium japonicum. In this study, a new compound with symbiotic activity was isolated from soybean root
Brandt, Sebastian   +3 more
core  

Accumulation of biologically fixed nitrogen by legumes cultivated as cover crops in Switzerland [PDF]

open access: yes, 2015
Aims Biological nitrogen fixation by legumes is expected to play a greater role in future cropping systems. Our study evaluated 19 legume species grown as cover crops in Swiss agroecosystems.
Büchi, Lucie   +5 more
core   +2 more sources

Short‐Term Response of Soil Health Indicators to Cover Crop Management in Small‐Scale Vegetable Cropping Systems

open access: yesJournal of Sustainable Agriculture and Environment, Volume 5, Issue 2, June 2026.
ABSTRACT A 2‐year field experiment (2022–2023) was conducted on a clay loam soil in Quebec, Canada, to evaluate the short‐term effect of spring‐seeded cover crop termination methods on soil health indicators. A mixture of field peas (Pisum sativum L.) with oats (Avena sativa L.) in 2022 and with faba beans (Vicia faba L.) in 2023 was seeded in early ...
Michaël Brière   +5 more
wiley   +1 more source

Functional biodiversity to improve pest control in organic cropping systems [PDF]

open access: yes, 2013
A sustainable use of functional agrobiodiversity (FAB) providing habitats with suitable floral resources is needed to conserve and improve pest control by natural enemies in organic cropping and other low-input systems.
Luka, Henryk   +2 more
core  

A Model for the Development of the Rhizobial and Arbuscular Mycorrhizal Symbioses in Legumes and Its Use to Understand the Roles of Ethylene in the Establishment of these two Symbioses [PDF]

open access: yes, 2002
We propose a model depicting the development of nodulation and arbuscular mycorrhizae. Both processes are dissected into many steps, using Pisum sativum L. nodulation mutants as a guideline. For nodulation, we distinguish two main developmental programs,
Albrecht C.   +192 more
core   +2 more sources

Evaluation of the Growth, Sporulation, Fungicide Efficacy, and Host Range of Ramularia sphaeroidea

open access: yesMicroorganisms
Ramularia sphaeroidea was primarily identified based on the characteristics of its conidia and several sequences. The fungus causes severe leaf spot disease on hairy vetch (Vicia villosa var. glabrescens) in Yunnan Province in China.
Min Shi, Yan-Zhong Li
doaj   +1 more source

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