Results 21 to 30 of about 5,192,926 (303)

Growing Degree Day Targets for Fruit Development of Australian Mango Cultivars

open access: yesHorticulturae, 2023
A forward estimate of mango (Mangifera indica L.) harvest timing is required for farm management (e.g., for organization of harvest labour and marketing).
Marcelo H. Amaral   +3 more
doaj   +1 more source

Presenting an empirical model for determining the sugar beet evapotranspiration by GDD parameter (Case study: Torbat-Jam, Iran) [PDF]

open access: yesWater Harvesting Research, 2016
So far, various methods have been presented for determining reference crop evapotranspiration in different parts of the world. The most popular and prestigious of them are probably the combined methods of Penman family, modified Blany-Criddle, Hargreaves
Fateme Jan Nesar   +3 more
doaj   +1 more source

Effects of temperature on population growth parameters of Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) reared on Planococcus citri (Homoptera: Pseudococcidae) [PDF]

open access: yesArthropods, 2015
The effect of temperature on the development, survival, fecundity and population growth parameters of Cryptolaemus montrouzieri Mulsant (Col.: Coccinellidae) reared on Planococcus citri Risso (Hom.: Pseudococcidae) was determined at five constant ...
Negar Saeedi   +2 more
doaj  

Estimating degree-day factors of snow based on energy flux components [PDF]

open access: yesThe Cryosphere, 2023
Meltwater from mountainous catchments dominated by snow and ice is a valuable source of fresh water in many regions. At mid-latitudes, seasonal snow cover and glaciers act like a natural reservoir by storing precipitation during winter and releasing it ...
M. F. Ismail   +6 more
doaj   +1 more source

Development of Cranberry Girdler, \u3ci\u3eChrysoteuchia Topiaria\u3c/i\u3e (Lepidoptera: Pyraliadae) in Relation to Temperature [PDF]

open access: yes, 2017
The development of Chrysoteuchia topiaria was studied in controlled-temperature chambers. Estimates of the threshold temperatures for the egg, larval, and prepupal-pupal stages were 9.4,6.8, and 9.8°C, respectively.
Mahr, Daniel L, Roberts, Sherri L
core   +2 more sources

Difference analysis of accumulated degree-day samples in different regions of China

open access: yesJournal of Forensic Science and Medicine, 2021
Background: Accumulated degree-days (ADD) refers to the temperature value and time within a certain period. More and more attention has been paid to the ADD in the study of postmortem interval (PMI) estimation. Aim and Objective: This study is to confirm
Weihao Zhu   +5 more
doaj   +1 more source

Planting dates and economic nitrogen rate for maize cultivated in Coastal Plains of Alagoas State, Brazil = Épocas de plantio e dose econômica de nitrogênio para o milho cultivado nos Tabuleiros Costeiros Alagoanos

open access: yesAgro@mbiente On-line, 2016
The objective of this study was to determine the economic rate of nitrogen fertilizer for maize in four planting dates. The experiment was conducted on a randomized block design with split-plots, and four replications.
Samuel Silva   +5 more
doaj   +1 more source

Application of predictive degree day model for field development of sandfly vectors of visceral leishmaniasis in northwest of Iran [PDF]

open access: yesJournal of Vector Borne Diseases, 2009
Background & objectives: Temperature plays a significant role in insect’s development where arise in temperature, accelerates the insect’s metabolic rates, increases egg production and makesblood feeding more frequent.
M.A. Oshaghi   +3 more
doaj  

Estimating degree-day factors from MODIS for snowmelt runoff modeling [PDF]

open access: yesHydrology and Earth System Sciences, 2014
Degree-day factors are widely used to estimate snowmelt runoff in operational hydrological models. Usually, they are calibrated on observed runoff, and sometimes on satellite snow cover data.
Z. H. He   +3 more
doaj   +1 more source

Biological Characteristics and Thermal Requirements of Telenomus podisi and Trissolcus basalis (Hymenoptera: Scelionidae) in Fresh and Cryopreserved Eggs of Euschistus heros and Nezara viridula (Hemiptera: Pentatomidae)

open access: yesAgronomy
Brazil is one of the largest producers of pulses globally, and soybean ranks highly in terms of production. However, pests increase crop production costs and affect oilseed production and quality.
Regiane Cristina de Oliveira   +5 more
doaj   +1 more source

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