Results 31 to 40 of about 902,967 (255)

Variability in leaf and crown morphology correlated with light availability in five natural populations of Quercus castaneifolia C.A. Mey

open access: yesJournal of Forest Science, 2017
In this study, we investigate seedlings of Quercus castaneifolia C.A. Mey, from five different provenances for the research on leaf and crown morphological variations in relation to a light gradient under controlled conditions in a greenhouse.
Fariba BABAEI   +3 more
doaj   +1 more source

Effects of shading and soil compaction on the growth, leaf area and biomass allocation of tomatoes (Lycopersicon esculentum)

open access: yesDavao Research Journal, 2020
Plants are often exposed to stressors such as shading and soil compaction, influencing their morphology and physiology. This study aimed to determine the effects of shading (e.g.
Rancil Quin Salang, Edison Macusi
doaj   +1 more source

Pigment and fatty acid profiling reveal differences in epiphytic microphytes among tropical Thalassodendron ciliatum meadows

open access: yes, 2020
Tropical seagrasses support abundant and diverse epiphytic microalgae that form the base of seagrass food webs. To help better understand the influence of structural variability of tropical seagrass meadows on associated microalgal epiphytes, we ...
De Troch, Marleen   +2 more
core   +1 more source

A non-destructive method for estimating onion leaf area [PDF]

open access: yes, 2016
peer-reviewedWe would like to thank to the CICYT for funding the national project (AGL2007-66716-CO3-03), and the Education Regional Government of C-LM for funding the project (PCI08-0117).Leaf area is one of the most important parameters for ...
Ackley   +60 more
core   +1 more source

Leaf area index of potato crop under three nitrogen fertilization treatments

open access: yesAgronomía Colombiana, 2017
Nitrogen fertilization has considerable effects on growth and yield of the potato crop. Additionally, leaf expansion is one of the most important growth parameters that can be used to optimize the management of agroecological resources.
Pedro Manuel Villa
doaj   +1 more source

An assessment of the benefits of yellow Sigatoka (Mycosphaerella musicola) control in the Queensland Northern Banana Pest Quarantine Area [PDF]

open access: yes, 2013
The banana leaf spotting disease yellow Sigatoka is established and actively controlled in Australia through intensive chemical treatments and diseased leaf removal.
Aurambout, Jean‑Philippe   +7 more
core   +2 more sources

Joint Estimation of Leaf Area Density and Leaf Angle Distribution Using TLS Point Cloud for Forest Stands

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
The foliage density $(u_l)$ and the leaf angle distribution (LAD) are important properties that impact radiation transmission, interception, absorption and, therefore, photosynthesis.
Ameni Mkaouar   +3 more
doaj   +1 more source

Development of forest structure and leaf area in secondary forests regenerating on abandoned pastures in Central Amazonia [PDF]

open access: yes, 2005
The area of secondary forest (SF) regenerating from pastures is increasing in the Amazon basin; however, the return of forest and canopy structure following abandonment is not well understood. This study examined the development of leaf area index (LAI),
Aide   +55 more
core   +1 more source

Assessment of morphological attributes of Guava tree for design of a novel tunnel spraying system

open access: yesEnvironment Conservation Journal
The morphological attributes play a significant role in determining the level of applied insecticide by the existing spraying system. Therefore, this attempt was made to assess the various morphological attributes of guava tree such as leaf size, leaf ...
Jagjeet Singh   +5 more
doaj   +1 more source

تأثیر سطوح شوری آب آبیاری با NaCl بر فیلوکرون و سرعت ظهور برگ ارقام جو [PDF]

open access: yesتنش های محیطی در علوم زراعی, 2016
شوری منابع آب‌وخاک از مهم‌ترین مشکلات کشاورزی در مناطق خشک و نیمه‌خشک ایران است. برای بررسی تأثیر شوری آب آبیاری بر فیلوکرون و سرعت ظهور برگ ارقام جو، آزمایشی به‌صورت فاکتوریل در قالب طرح پایه بلوک‌های کامل تصادفی با سه تکرار در گلخانه دانشکده کشاورزی ...
رئوف سیدشریفی   +1 more
doaj   +1 more source

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