Results 11 to 20 of about 836,425 (219)

A Thermal Time Basis for Comparing the Germination Requirements of Alfalfa Cultivars with Different Fall Dormancy Ratings

open access: yesAgronomy, 2023
Fall dormancy plays important roles in the evaluation of alfalfa’s winter hardiness and in the selection of alfalfa breeding. A rapid and effective method to estimate the fall dormancy rating of alfalfa will shorten the breeding cycle.
Yi Wu   +4 more
doaj   +1 more source

Evaluation of Germination and determination of cardinal temperatures of Cannabis sativa by using regression models [PDF]

open access: yesعلوم و فناوری بذر ایران, 2018
To determine the specific temperature of Medicinal Cannabis sativa, the effects of different temperatures on germination, in a laboratory study in a completely randomized design with three replications were studied.
shiva barooti   +3 more
doaj   +1 more source

Evaluating the Effect of Different Base Temperatures to Calculate Degree-Days

open access: yesEnvironmental and Climate Technologies, 2020
Degree-days are used as a forecasting tool to predict energy demand and for normalizing energy consumption to be able to compare between different properties across different years.
Oregi Xabat, Jimenez-Bescos Carlos
doaj   +1 more source

The analysis of long-term phenological data of apricot tree (Prunus armeniaca L.) in southern Moravia during 1927–2009

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
The relationship between apricot tree (Prunus armeniaca L., variety Velkopavlovická) phenophases first flower and full flowering was evaluated in south Moravia region (161 a.s.l., 48°48'22''N, 16°46'32''E).
Hana Černá   +7 more
doaj   +1 more source

Potential changes in cooling degree day under different global warming levels and shared socioeconomic pathways in West Africa

open access: yesEnvironmental Research Letters, 2023
Increasing levels of climatic warming are expected to affect the global development of energy consumption. The cooling degree day (CDD) is one of the climate-driven indices that captures the impact of climate on energy demand.
Oluwarotimi Delano Thierry Odou   +4 more
doaj   +1 more source

Temperature as the basic factor influencing phenological stages in Ziziphus jujuba Mill

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2009
The present study to find a suitable base temperature for different phenological stages in Ziziphus jujuba Mill”. The data from the automatic meteorological station AMET located inside the orchard were used for the analyses.
Saket Mishra, Boris Krška
doaj   +1 more source

Spring emergence and canopy development strategies in miscanthus hybrids in Mediterranean, continental and maritime European climates

open access: yesGCB Bioenergy, 2023
Due to its versatility and storability, biomass is an important resource for renewable materials and energy. Miscanthus hybrids combine high yield potential, low input demand, tolerance of certain marginal land types and several ecosystem benefits.
Elena Magenau   +15 more
doaj   +1 more source

Phenological behavior of feijoa accessions in their main diversity center [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2020
: The objective of this work was to identify the minimum base temperature (Tb) and the maximum base temperature (TB) to predict the thermal time for six phenological stages of feijoa (Acca sellowiana) accessions.
Fernando David Sánchez-Mora   +7 more
doaj   +1 more source

VEGETATIVE DEVELOPMENT AND GROWING DEGREE-DAYS OF TROPICAL AND WINTER FORAGES [PDF]

open access: yesEngenharia Agrícola, 2019
One of the limitations to producing irrigated forages is setting suitable biometric parameters to establish the entrance of animals to grazing areas. Such parameters can be measured or even estimated.
Arthur C. Sanches   +4 more
doaj   +2 more sources

THE INFLUENCE OF BASE TEMPERATURE ON SWEET SORGHUM PRODUCTION IN HUNGARY [PDF]

open access: yesNatural Resources and Sustainable Development, 2019
In order to reach the goal determined by the 2009/28/EU directive sorghum production for energy purposes can be an adequate method. Efficient sorghum production is based on the consideration of the climatic aspects.
Jóvér János   +3 more
doaj   +1 more source

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