نتایج جستجو برای: with 100 percent healthy plants
تعداد نتایج: 9453330 فیلتر نتایج به سال:
abstract: proverbs are of the language materials which of the food of any language depends on the quality and quantity of these same materials. in the present research, the researcher tried to present the ramsarian proverbs according to four variables of color, fruit, plantsand animals that selected from the book of the members of each of these four variables, put them into the spss system fo...
seven antagonistic bacteria belonging to pseudomonas fluorescens species were evaluated on the basis of inhibitory zone of sclerotinia sclerotiorum fungal growth finally, the most suitable strain (p4) which exerted the greatest effect on reducing the causal agent of sclerotinia root rot was selected for further germinator trails. nine formulations were prepared on the basis of talc powder from ...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Populations of T. allius increased to levels nine times higher in Glurk tobacco plants infected with California rattle virus than healthy the same variety and age. christiei applications Hoagland's nutrient solution diluted up 50-percent concentration, whereas population densities were low at highest concentration (100 percent), water alone. Trichodorus did not seem be affected a large extent b...
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