نتایج جستجو برای: and tomatoe planting requires extensive labor work
تعداد نتایج: 16896028 فیلتر نتایج به سال:
Siti FadjarajaniThis study aimed to determine an inventory of objects in the Golempang Charm Area Darmaraja Village, District, Sumedang Regency, as well forms community participation development these tourist attractions. Descriptive methods were used. This used observations, questionnaires, interviews, a literature review and documentation analysis data collection techniques. Households area R...
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
This paper discusses the potential benefits from shade management in agroforestry systems for taro cropping. Trial work to evaluate weed growth, taro production, and cultivar responses to shade levels are reviewed. It is concluded that weed growth can be reduced in tree-shaded plots without reducing corm production. Higher crop biomass is obtained when taro is grown under fifty percent shade co...
according to research, academic self-concept and academic achievement are mutually interdependent. in the present study, the aim was to determine the relationship between the academic self-concept and the academic achievement of students in english as a foreign language and general subjects. the participants were 320 students studying in 4th grade of high school in three cities of noor, nowshah...
chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
purpose: labor market is one of the most important markets in iran as in many developed and developing countries. however, although attention to this market has always been at the forefront of economic planning, but in most cases, quantity matters more than quality in this market. it is also visible as regional differences especially the case in urban areas. therefore, the study of the quality ...
Asian development in the 1970's is likely to take place under conditions quite different from those typical of the past two decades. These changing conditions will have an important influence on the research focus relating to growth and development. This paper examines two such changes. First, the population explosion of the 1940's and 1950's will be transformed into a labor force explosion in ...
eld to prepare for planting, while the tractor and crew on the right are planting trees. This method provides a weed-free soil immediately after planting for preemergence herbicide applications. W eeds reduce the value of nursery crops. They compete with crops for nutrients, light, and water. Some vine weeds climb nursery crops, requiring excessive labor for hand removal. Most serious are peren...
Rogerson and Wallenius (2013) draw an incorrect inference about a labor supply elasticity at an intensive margin from premises about an option to work part time that retiring workers decline. We explain how their false inference rests on overgeneralizing outcomes from a particular example and how Rogerson and Wallenius haven’t identified an economic force beyond the two – indivisible labor and ...
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