نتایج جستجو برای: and tomatoe planting requires extensive labor work
تعداد نتایج: 16896028 فیلتر نتایج به سال:
All monitoring programs are designed to detect change in population size. Some require, in addition, estimates of population size itself. Two approaches to making such estimates, using various m ark-recapture methods or removal sampling, are described in this chapter. Whatever the method, estimation of population size requires extensive data collection and analysis and is labor-intensive and ti...
A field inoculation method was developed to produce Meloidogyne spp. infestation sites with minimal quantities of nematode inoculum and with a reduced labor requirement compared to previous techniques. In a preseason-methyl bromidefumigated site, nematode egg suspensions were delivered at concentrations of 0 or 10(x) eggs/m of row where x = 2.12, 2.82, 3.52, or 4.22 through a drip line attached...
Decent work is a new concept that has recently entered in international labor market economic literature and according to a good number of authorities it is one of the major aspects of sustainable developments that can lead to poverty reduction. On the other hand, International Labor Office (ILO) has Considered Decent Work as the basis of its major framework of activities. ILO intends to encour...
this thesis is based upon the works of samuel beckett. one of the greatest writers of contemporary literature. here, i have tried to focus on one of the main themes in becketts works: the search for the real "me" or the real self, which is not only a problem to be solved for beckett man but also for each of us. i have tried to show becketts techniques in approaching this unattainable goal, base...
Obtaining high seed and oil yields of sunflower requires coincidence of vegetative and reproductive stages of growth of the plant with suitable environmental conditions via selecting appropriate planting date. Since the suitable date of planting for sunflower cultivars under Isfahan environmental conditions was not determined, this experiment was conducted in 1996 at the Agricultural Research S...
today, persian poetry is of great importance to many scholars around the world. the interest and attention of various cultures toward such a fine literature has given quite a good motivation for a comparative study. the major concern of the study is to investigate how nature is depicted through the works of the great english poet, william wordsworth (1770-1850) and the outstanding contemporary ...
Shortage of nurses is a problem in several countries. It is an unsettled question whether increasing wages constitute a viable policy for extracting more labour supply from nurses. In this paper we use a unique matched panel data set of Norwegian nurses covering the period 1993-1998 to estimate wage elasticities. The data set includes detailed information on 19,638 individuals over 6 years tota...
مقدمه: بارداری باعث افزایش نیازهای جسمی زنان شده و بی توجهی به این مسئله می تواند مشکلاتی را در پی داشته باشد. از جمله مشکلات شایع این دوران کم خونی است که در این مطالعه به بررسی ارتباط preterm labor با کم خونی سه ماهه ی سوم بارداری پرداخته شده است. هدف از مطالعه حاضر تعیین ارتباط کم خونی سه ماه سوم بارداری با preterm labor در زایمانهای انجام شده در دو بیمارستان امیر المومنین و اکبر آبادی میبا...
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