نتایج جستجو برای: cultivation

تعداد نتایج: 33044  

2011
Akihiro Yamamoto Yosuke Umehara Masaki Hayashi Naoto Yoshida Takeo Yamakawa Yuichi Saeki

23 The nodulation tendency and community structure of indigenous bradyrhizobia on 24 Rj-genotype soybean cultivars at cultivation temperatures of 33/28°C, 28/23°C and 23/18°C, 25 16/8 h (day/night degrees, hours) were investigated using 780 bradyrhizobial DNA samples 26 from an Andosol with 13 soybean cultivars of four Rj-genotypes (non-Rj, Rj2Rj3, Rj4 and 27 Rj2Rj3Rj4). A dendrogram was constr...

2011
Jianqiang Guo Yingxia Wang

This article describes a detailed study on the background of “studying-training integration” system, a special athlete cultivation method in China. Using methods such as investigation , interview and literature review , the article searches the direction and opportunity of the reform on the cultivation system for athletes and proposes suggestions that we should restructure the sports talents cu...

Increased cost of tobacco cultivation is a major concern for its sustainable production in Iran. Therefore, the development of tobacco mechanized cultivation is a necessity. Given this, the driving and inhibiting factors of the development of mechanized tobacco cultivation were investigated by the Delphi technique in three rounds in Guilan Province, Iran. Nineteen experts from the Jahad Agricul...

2009
Xia Cui Yang Lu

With the approaching era of knowlege-based economy as well as the gradual universalization of China’s higher education, the quantity issue in talent cultivation has given way to the quality one consequently. Setting out from some problems in the cultivation of human resources management professional in China, this article puts forward patterns for objectives, curriculum systems as well as teach...

2008
Christian BIDARD

Ricardo after Sraffa In the preface of the Principles (1817), Ricardo states that the main problem of Political Economy concerns the distribution of income among the three classes of society: the capitalists, the workers and the landowners, who receive the profits, the wages and the rents, respectively. When rent is discarded, the trade-off between wages and profits becomes apparent. Nowadays, ...

امینی دهقی, مجید , باغبانی آرانی , ابوالفضل , زند, اسکندر,

  In order to reduce the herbicide rate, the combination of cultivation and eradicane herbicide application was tested under field conditions. Treatments including tillage practices of without cultivation, one cultivation and two cultivation and eradicane herbicide application levels of 0, 1.5, 3, 4.5, 6 Lha -1 were tested . Eradicane herbicide was used before plantation. Cultivation treatments...

Journal: :Journal of environmental quality 2012
Nianpeng He Yunhai Zhang Jingzhong Dai Xingguo Han Guirui Yu

Cultivation in semiarid grasslands induces large changes in soil organic matter (SOM) stock. To better predict the effects of cultivation on SOM pools, there is a need to identify the soil fractions that are affected and the extent to which they are affected. Using four cultivation chronosequences in Inner Mongolian grasslands of northern China, we investigated the changes in soil organic carbo...

Journal: :اقتصاد و توسعه کشاورزی 0
مسعود حسین زاده محمدرضا کهنسال محمد قربانی

the purpose of this study, determining the optimal cultivation pattern by using interval mathematical programming approach among the farmers of esfarayen county before and after targeting the subsidies. for this purpose, farmers based on water resources classified in three group of using the river water, deep wells water and rainfed cultivation. the required data for this study has been obtaine...

Journal: :Cancer research 1957
T H DUNNEBACKE E M ZITCER

Human amnion tissue is readily available to most laboratories as a source of cells for tissue culture studies. It has proved to be a useful tool in the field of virus research, and it offers impor tant potentials in the field of cancer research as a source of normal human cells easily obtained in primary cultivation. Many investigators have been concerned with the problem of malignant propertie...

Journal: :The Journal of Experimental Medicine 2003
C. P. Li T. M. Rivers

1. A strain of neurovaccine virus was cultivated in a medium consisting of minced chick embryo suspended in Tyrode's solution. 2. The virus upon cultivation apparently lost none of its essential characteristics. 3. The culture virus can be preserved and stored for long periods of time. Furthermore, the preserved virus can be used to initiate fresh cultures.

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