four separate experiments were conducted to study the effects of factors controlling the establishment of explants from two walnut genotypes z60 and z63 (damavand). factors were explant type, sampling time, explant orientation on the growth medium and antioxidants type. the explants were collected from the collection garden of tooyserkan walnuts research station. four explant types (apical meri...

limitations of water and nitrogen in soil usually restrict plant growth. the objective of this study was to evaluate the effects of different amounts of supplemental irrigation at different growth stages and application of different rates of nitrogen fertilizer on grain yield and water productivity of wheat cultivars. a field experiment was conducted in the agricultural research station of shah...

Understanding the traits of invasive species may improve the ability to predict, prevent, and manage invasions. I compared morphological and performance traits of five congeneric pairs of invasive and noninvasive Commelinaceae across a factorial experiment using a range of water and nutrient availabilities. Invasive species had greater fecundity and vegetative reproduction than their noninvasiv...

I apologize for making some of you nervous, and perhaps even resentful, but I HAVE HAD ENOUGH! I do not like the new unethical face of my profession, where incessant seeking of more money has replaced service to the public, honesty, and self-respect. Numerous areas of major ethical concern in dentistry are identified in this article. The ongoing, if not accelerating, degeneration of professiona...

The situation which occurred in a dream provides the framework for discussing properties of the theory of viewpoints and in particular the issue of different denotations from different perspectives. We introduce the principle of "referent sharing" in communications and argue that common knowledge resulting from communication should only use constants whose referent is "manifest" to the parties ...

in some cities in the USA,6 but the general level of health consciousness and the public attitude to family medicine and emergency care are so different in the USA that it is far from clear that American experience is relevant to the United Kingdom. The number of lives that MCCUs can be expected to save in the United Kingdom is therefore small, so establishing MCCU services on a wider basis mus...

this research investigate the potential of rhizobium leguminosarum b.v .phaseoli to improve growth and nutritional status of common bean (akhtar cultivar) at three levels of salinity of s0, s1 and s2 (0, 35 and 70 mm sodium chloride, or 0, 3 and 6 ds/m, respectively). the greenhouse experiment was conducted as a factorial design in randomized completely with three replications by using the ster...