نتایج جستجو برای: spike per unit area

تعداد نتایج: 1321917  

Journal: Desert 2015

To investigate the influence of salinity and calcium (Ca) on some properties of Plantago ovata, a pot factorialexperiment based on randomized complete block design with three replicates was conducted in Jiroft, south of KermanProvince, Iran. Three salinity levels of 0, 100 and 200 mM NaCl and Ca levels of 0, 5 and 10 mM Calcium nitrate wereapplied as the first and second factors, respectively. ...

Journal: :تولید گیاهان زراعی 0

this research was conducted to study the effects of different salinity levels and exposure times on grain yield and yield components in a green-house experiment at gorgan university of agricultural science and natural resources during 2007- 2008 growing season. a factorial sand culture experiment with three completely randomized replications was used. salinity levels were -0.002, -0.25, -0.50, ...

Ijaz Rasool Noorka Saeed Rouf Shabir A Shahid

Principal component analysis is a valid method used for data compression and information extraction in a given set of experiments. It is a well-known classical data analysis technique. There are a number of algorithms for solving the problems, some scaling better than others. Wheat ranks as the staple food of most of the nations as well as an agent of poverty reduction, food security and world ...

2011
ERIK STÅLBERG

The macro electromyography method was developed in the 1980s. Since then, technical modifications have been made, and a number of conditions have been explored. This study is a methodological introduction and an update of findings in some nerve–muscle disorders. The spike component of a motor unit potential (MUP) recorded by a concentric or monopolar needle electromyography (EMG) electrode is g...

Baking quality is one of the most important traits in wheat quality breeding. In the present study, allelic diversity of the genes encoding glutenin with low molecular weight (LMW-GS) was evaluated in 15 good, average and poor cultivars in term of baking quality using SRAP markers. Further, morphological traits, including 100-seed weight, spike number per plot, seed number per spike, plant heig...

1996
S. P. Strong Roland Koberle Rob R. de Ruyter van Steveninck William Bialek

The nervous system represents time dependent signals in sequences of discrete, identical action potentials or spikes; information is carried only in the spike arrival times. We show how to quantify this information, in bits, free from any assumptions about which features of the spike train or input signal are most important, and we apply this approach to the analysis of experiments on a motion ...

Journal: :Journal of neurophysiology 2015
Filippo Agnesi Abirami Muralidharan Kenneth B Baker Jerrold L Vitek Matthew D Johnson

High-frequency stimulation is known to entrain spike activity downstream and upstream of several clinical deep brain stimulation (DBS) targets, including the cerebellar-receiving area of thalamus (VPLo), subthalamic nucleus (STN), and globus pallidus (GP). Less understood are the fidelity of entrainment to each stimulus pulse, whether entrainment patterns are stationary over time, and how respo...

Dust phenomenon is the One of the most important hazards in the dry and semi-arid region. The occurrence of this phenomenon is accompanied by many physical and financial losses. In this research, was studied the characteristic of land use and geomorphology dust source in Khorasan Razavi Province. At first, 65 soil dust sources were identified for the time period (2005-2016) by using the dust en...

Journal: :Mathematical biosciences and engineering : MBE 2014
Antonio Di Crescenzo Maria Longobardi Barbara Martinucci

We investigate an extension of the spike train stochastic model based on the conditional intensity, in which the recovery function includes an interaction between several excitatory neural units. Such function is proposed as depending both on the time elapsed since the last spike and on the last spiking unit. Our approach, being somewhat related to the competing risks model, allows to obtain th...

Journal: :Journal of experimental botany 2011
M John Foulkes Gustavo A Slafer William J Davies Pete M Berry Roger Sylvester-Bradley Pierre Martre Daniel F Calderini Simon Griffiths Matthew P Reynolds

A substantial increase in grain yield potential is required, along with better use of water and fertilizer, to ensure food security and environmental protection in future decades. For improvements in photosynthetic capacity to result in additional wheat yield, extra assimilates must be partitioned to developing spikes and grains and/or potential grain weight increased to accommodate the extra a...

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