نتایج جستجو برای: drought and irrigated

تعداد نتایج: 16834432  

2017
Jerry E. Moorhead Prasanna H. Gowda Vijay P. Singh Dana O. Porter Thomas H. Marek Terry A. Howell

Drought is a complex and highly destructive natural phenomenon that affects portions of the United States almost every year, and severe water deficiencies can often become catastrophic for agricultural production. Evapotranspiration (ET) by crops is an important component in the agricultural water budget; thus, it is advantageous to include ET in agricultural drought monitoring. The main object...

Journal: :ecopersia 2014
hamid ahani hamid jalilvand jamil vaezi seyed ehsan sadati

we investigated the response of sea buckthorn to drought in a nursery experiment that has been studied for the first time in the world for iranian sea buckthorn. biomass and physiological differences in response to drought were compared between four elaeagnus rhamnoides seedlings inhabited in qazvin province origin seeds of iran. the experimental design included four water regimes including 2, ...

2005
Carmen Trillo San José

This paper concerns the outer urban area of the town of Granada in the Nasrid period (13the15th centuries). Most agricultural land was irrigated because of the characteristic drought of the Mediterranean climate, and also because of the needs of certain crops which had been brought by the Arabs from monsoon climates. Water distribution followed patterns that were not only hydrographical and top...

2017
Tao Li Olivyn Angeles Manuel Marcaida Emmali Manalo Mervin Pogs Manalili Ando Radanielson Samarendu Mohanty

The worldwide usage of and increasing citations for ORYZA2000 has established it as a robust and reliable ecophysiological model for predicting the growth and yield of rice in an irrigated lowland ecosystem. Because of its focus on irrigated lowlands, its computation ability is limited to the representation of the effects of the highly dynamic environments of upland, rainfed, and aerobic ecosys...

Journal: :The plant genome 2017
Valerio Hoyos-Villegas Qijian Song James D Kelly

A genome-wide association study explored the genetic basis of variation for drought tolerance and related traits in a Middle American diversity panel comprising 96 common bean ( L.) genotypes. The panel was grown under irrigated and rainfed conditions and single nucleotide polymorphism (SNP) data were used to explore the genetic diversity and ancestry of the panel. Varying levels of admixtures ...

2001
Heather Ann Lynch Scott A. Martin Mark Froetschel Nicholas Hill Gordhan L. Patel

The objective of this study was to evaluate the effect of ensiling alfalfa, wheat, and corn on malate content. Samples were grown, collected, and ensiled in 7.5 L plastic buckets with airtight lids. All samples were either ensiled immediately after cutting, or wilted for at least one h between treatments. Sources of corn either were grown in drought conditions or irrigated conditions. No other ...

2015
Ivan D. Barrero Farfan Gerald N. De La Fuente Seth C. Murray Thomas Isakeit Pei-Cheng Huang Marilyn Warburton Paul Williams Gary L. Windham Mike Kolomiets

The primary maize (Zea mays L.) production areas are in temperate regions throughout the world and this is where most maize breeding is focused. Important but lower yielding maize growing regions such as the sub-tropics experience unique challenges, the greatest of which are drought stress and aflatoxin contamination. Here we used a diversity panel consisting of 346 maize inbred lines originati...

ژورنال: علوم آب و خاک 2007
محمود خدامباشی, , سیروس طهماسبی, , عبدالمجید رضائی, ,

Half diallel crosses of eight bread wheat cultivars were used to estimate the genetic parameters and types of genetic control for yield and yield components, and to determine the effects of environmental factors on these parameters. Parents and their F2 hybrids were grown in a randomized block design under irrigated and stressed (terminal drought) conditions. For all traits, except for number o...

Groundwater drought denotes the condition and hazard during a prolonged meteorological drought when groundwater resources decline and become unavailable or inaccessible for human use. The aim of this study is to identify the influencial factors on groundwater drought in Hamadan- Bahar Watershed,Iran, to understand the forcing mechanisms. The Standardised Precipitation Index (SPI) has been used ...

2017
XIAOMIN BIE KE WANG CHANG LIU YONGWEI LIU LIPU DU XINGUO MAO XINGGUO YE

In this study, the water supply in soil for wheat mother donor plants was controlled, leading to drought stress conditions, and the relative soil water content (RSWC) was measured in different soil depths. The immature embryos of common wheat (Triticum aestivum L.) 13 days post anthesis (DPA) were used to test regeneration capacity. The accumulation of the plant growth regulators (PGRs) includi...

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