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...

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...

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, ...

The global cut flower industry has faced serious challenges over the years, but still remains an important sector of agriculture. Floriculture businesses seek new, innovative trends and niches to help increase product sales. Specialty (SCF) production increased in past 20 years US, Australia, Africa, Europe. SCF sales could further if these new products were supported by dynamic marketing campa...

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...

Abstract The microalga Rhodomonas salina is a widely used species for rearing live feed organisms in the aquaculture market. A species-specific medium an essential step towards enhancing productivity and decreasing production costs microalgae cultivation. However, relevant aspects of composition such as nitrogen source elemental ratio have not yet been characterized this alga. This study aimed ...

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...

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...

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.