Results 21 to 30 of about 240,622 (303)

Differences in leaf area, trichome density, and xylem structure between the two types of Theobroma cacao l. cultivation: With or without shade plants

open access: yesInternational Journal of Plant Biology, 2020
This study aimed to analyze the structure and density of non-glandular trichomes and the area of cocoa leaves, and the differences of xylem vessel structures on various shade tree composition. The leaf area and length, and trichomes were observed.
Erma Prihastanti, Yulita Nurchayati
doaj   +1 more source

Shade Trees Spatial Distribution and Its Effect on Grains and Beverage Quality of Shaded Coffee Trees

open access: yesJournal of Food Quality, 2018
Shading coffee trees has gained importance, especially among smallholders, as an option to improve the products’ quality, therefore acquiring place at the specialty coffee market, where consumers are willing to give bonus for quality.
Francisco José da Silva Neto   +6 more
doaj   +1 more source

A site-specific standard for comparing dynamic solar ultraviolet protection characteristics of established tree canopies [PDF]

open access: yes, 2019
A standardised procedure for making fair and comparable assessments of the ultraviolet protection of an established tree canopy that takes into account canopy movement and the changing position of the sun is presented for use by government, planning, and
Amar, A.   +6 more
core   +3 more sources

Effect of dominant shade tree species on selected soil physicochemical properties and coffee production in Sayyo district, western Ethiopia

open access: yesTrees, Forests and People, 2022
The current study aimed to assess the preference of farmers and their perception of shade tree species on coffee production and to evaluate selected soil physicochemical properties under the canopies of Acacia abyssinica and Albizia gummifera shade tree ...
Amanuel Tilahun Etafa
doaj   +1 more source

Potential Nitrification and Nitrogen Mineral of Soil in Coffee Agroforestry System with Various Shading Trees

open access: yesCoffee and Cocoa Research Journal, 2007
The role of shading trees in coffee farms has been well understood to establish suitable condition for the growth of coffee trees, on the other hand their role in nitrogen cycle in coffee farming is not yet well understood.
Purwanto .   +4 more
doaj   +1 more source

Transcriptome analysis and mining of genes related to shade tolerance in foxtail millet (Setaria italica (L.) P. Beauv.)

open access: yesRoyal Society Open Science, 2022
A stereo interplanting system with foxtail millet beneath chestnut trees is an effective planting method to raise the utilization of land in chestnut orchards, increase yields and improve quality of chestnut nuts.
Dan Liu   +5 more
doaj   +1 more source

Above- and below-ground competition in high and low irradiance: tree seedling responses to a competing liana Byttneria grandifolia [PDF]

open access: yes, 2008
: In tropical forests, trees compete not only with other trees, but also with lianas, which may limit tree growth and regeneration. Liana effects may depend on the availability of above- and below-ground resources and differ between tree species.
Bongers, F.   +3 more
core   +2 more sources

Upper canopy tree crown architecture and its implications for shade in cocoa agroforestry systems in the Western Region of Ghana

open access: yesTrees, Forests and People, 2021
Several studies have been conducted on shaded cocoa systems, but few of these have examined species-specific crown architecture of upper canopy trees and its influence on shade provision in cocoa agroforestry systems.
Winston Adams Asante   +4 more
doaj   +1 more source

Allometric relationships between stem diameter, height and crown area of associated trees of cocoa agroforests of Ghana

open access: yesScientific Reports, 2023
Allometric models which are used to describe the structure of trees in agroforestry systems are usually extrapolated from models developed for trees in forest ecosystems.
Michael Asigbaase   +4 more
doaj   +1 more source

Abundance of Pollinator Insect (Forcipomyia Spp .) of Cocoa Under Some Shade Trees [PDF]

open access: yes, 2016
Cocoa production is affected by cocoa flowering and fruiting. The factor affects fruit seeting is pollinator agent such as Forcipomyia spp. Until now, information concerning population dynamics of Forcipomyia in some models of cocoa shading trees remains
Rahayu, D. S. (Dwi)   +2 more
core   +3 more sources

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