Results 111 to 120 of about 4,010 (225)

Variation of Vitellaria paradoxa phenophases along the north-south gradient in Mali

open access: yesResearch in Plant Biology, 1970
We monitored flowering, fruiting and leafing of Vitellaria paradoxa (shea tree) along the north–south gradient in Mali (West Africa), using three study sites for a period of three years. In each site, adult shea trees were marked and monitored in permanent plots of both field and fallow stands.
Kelly, Bokary Allaye   +2 more
openaire   +3 more sources

Calamintha nepeta (L.) Savi and its main essential oil constituent pulegone: biological activities and chemistry [PDF]

open access: yes, 2017
Medicinal plants play an important role in the treatment of a wide range of diseases, even if their chemical constituents are not always completely recognized.
Božović, Mijat, Ragno, Rino
core   +2 more sources

Reproductive phenology of Carapa guianensis Aubl. (Meliaceae) in two forest areas of the Central Amazon [PDF]

open access: yes, 2018
This article presents the phenological study of Carapa guianensis Aubl species from 1974 to 2000, in ADFR and TFES forests stations research in Central Amazon, Brazil.
Barbosa, A. (Antenor)   +3 more
core  

Impact of Semi-arid Weather Conditions on Wheat and Maize Yield [PDF]

open access: yes, 1994
In recent years the need for assessing land capability and planning production has grown. In this paper we try to describe the impact of the weather on crop yield in semi-arid regions where weather variability and uneven distributions of precipitation ...
Harnos, A.
core  

The observation of the phenophase in six blueberry varieties [PDF]

open access: yesProceedings of the 2018 7th International Conference on Energy and Environmental Protection (ICEEP 2018), 2018
Xun Wang   +4 more
openaire   +1 more source

Evaluation of CERES –Rice Model for Simulating Rice Yield and Phenophases

open access: yesInternational Journal of Plant & Soil Science
In this study, the performance of the CERES-Rice model in simulating the growth and yield of the Rajeshwari variety in the Raipur district of Chhattisgarh, India, was evaluated. Utilizing observed data from 2021 and 2022, the model was calibrated and validated using key parameters such as days to anthesis, physiological maturity, and yield. Calibration
Harithalekshmi V.   +4 more
openaire   +1 more source

Flutuações dos níveis dos carboidratos de reserva disponíveis nas raízes e no caule do marmeleiro (Croton sonderianus Muell. Arg.). [PDF]

open access: yes, 2015
Resumo: O objetivo deste trabalho foi estudar as flutuações dos níveis dos carboidratos de reserva (Carboidratos Ácido-Digeríveis, CAD), nas raízes e no caule do marmeleiro (Croton sonderianus Muell.Arg.), durante seu ciclo fenológico.
ARAUJO FILHO, J. A. de   +3 more
core  

Composition and Phenology of the Dry Forest on Mauna Kea, Hawaii, as Related to the Annual Cycle of the Amakihi (Loxops virens) and Palila (Psittirostra bailleui) [PDF]

open access: yes, 1975
Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.An intensive 19 month phonological was carried out on the southwestern slope of Mauna Kea, Hawaii, from March 1973 ...
van Riper, Charles III
core  

Rethinking False Spring Risk [PDF]

open access: yes
Temperate plants are at risk of being exposed to late spring freezes. These freeze events - often called false springs - are one of the strongest factors determining temperate plants species range limits and can impose high ecological and economic damage.
Chamberlain, C. J.   +3 more
core   +1 more source

The prediction of phenophases of intra-stem phytophages of sunflower

open access: yesTaurian Scientific Herald, 2021
S.Yu. Moroz, A.V. Fokin
openaire   +1 more source

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