نتایج جستجو برای: forty plots were established
تعداد نتایج: 3689276 فیلتر نتایج به سال:
The precriber's first problem is : On what basis to make the choice? On the basis of the established name of the comapny? On the basis of the retail price of the drug? In the recent past, the drug were required to be prescribed by their pharmacological name, with the prescribing doctor having the option to mention the company's name alongside. For many reasons, this practice did not catch on. O...
Afforestation is an essential strategy for erosion control. The objective of this study was to determine the soil quality index (SQI) in established afforested areas different ages control Erzurum, Turkey. Three were selected as plots considering their establishment periods: + 40 years old (AA>40), 10–40 (AA10–40), and less than 10 (AA<10). Forty samples taken each plot area over 0–15 15–30 cm ...
Otrosina, W. J.. Hess, N. J., Zamoch. S. J.. Perry, T. J., and Jones, J. P 1997. Blue-stain fungi associated with roots of southem’pine trees attacked by the southern pine beetle, Dendmctonus front&s. Plant Dis. 81942945. Forty paired plots were established from eastern Texas to Alabama to study root-infecting, bluestain fungi in southern pine stands undergoing southern pine beetle (SPB) attack...
abstract this study set out to compare the effect of modality of presentation (subtitled vs. auditory) in the comprehension of verbal content of documentary films among iranian efl students. to this end, (30 male 30 female) students were chosen from two schools. after their homogeneity was established, the students attended the listening sessions to watch five documentary films over t...
To study the impact of growth factor bacteria , humic acid and alga extract in drought stress condition a test is established in form of completely random blocks and spilt plot in 4 replications in a field in Mahallat in Arak province in 1389. Two primary plots including irrigation and stress and secondary plots including growth factor bacteria ,humic acid and alga extract, Ascophylu...
To study the impact of growth factor bacteria , humic acid and alga extract in drought stress condition a test is established in form of completely random blocks and spilt plot in 4 replications in a field in Mahallat in Arak province in 1389. Two primary plots including irrigation and stress and secondary plots including growth factor bacteria ,humic acid and alga extract, Ascophylu...
within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...
this study was carried out to investigate the effect of crown canopy of ziziphus spina-christi on seed bank characteristics (density and similarity with above ground flora) in two sites with saline-alkaline and alkaline soils. in each soil, forty plots were established, half in and half outside of z. spina-christi cover. in each plot, soil sampling was done from 0-5 and 5-10 cm depths. paired a...
Abstract. The purpose of this study was to investigate vegetation dynamics and range conditions considering the climatic conditions and soil properties in Haftooman, Khoor and Biabanak deserts, Iran. For this purpose, after determining vegetation types and the associated species, the type of rangeland utilization, grazing season, the livestock type, the other relevant information, vegetation da...
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