نتایج جستجو برای: drought duration
تعداد نتایج: 234998 فیلتر نتایج به سال:
There are two types of drought as conceptual drought and operational drought. The three parameters as the beginning, the end and the degree of severity of the drought can be identifying in operational drought by average precipitation in the whole region. One of the methods classified to measure drought is Reconnaissance Drought Index (RDI). Evapotranspiration is calculated using Penman-Monteith...
water crisis and drought are among the most important issues to which the human has been faced particularly in the recent years; hence, investigation of drought is so important in optimal water management. drought has been known as an environmental phenomenon which is inseparable from climate changes which can occur in any geographical region. various definitions have been presented since yet. ...
Drought is a natural disaster of creeping phenomenon which difficulty to understand. This study utilizes multi-scalar SPEI and copula theory analyze the meteorological drought in Jaisalmer district Rajasthan, India. Several marginal distributions are fitted duration severity. Archimedean Metaelliptical copulas used construct bivariate probability distributions. The univariate return periods cal...
In order to study of drought stress and normal irrigation effect on seed germination and seedling vigor of 10 oilseed rape spring genotypes, RGS003, Sarigol, Option 500, RGS006, 19_H, ORS3150-3006, ORS3150-3008, RG4403, RG405/03 and RGAS0324, an experiment was conducted as factorial, based on a completely randomized design with four replications, in the seed analysis laboratory of Seed and Plan...
Aims: The goal of the current study was to examine genetic variety finger millet genotypes based on physiological and biochemical parameters related drought.
 Study Design: Using various parameters, 20 germplasm lines were tested in investigation for resistance Place Duration Study: carried out from May August 2019 at G B Pant University Agriculture Technology's College Basic Science Human...
California's flora of hardwood trees has evolved from a mixture of Arctotertiary and Madro-tertiary progenitors under selective pressures of drought and low nutrient availability. Plant growth form and evergreen vs. deciduous leaf duration are important aspects of morphological adaptation to Mediterranean-climate conditions. Architecture and phenology of below-ground tissues may be at least as ...
Considerable progresses have taken place, both in the methodology available to study changes in intracellular cytosolic calcium and in our understanding of calcium signaling cascades, but how calcium signals function in plant drought resistance is questionable. In plant cells, calcium plays roles as a second messenger coupling a wide range of extracellular stimuli with intracellular responses. ...
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