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Efektywność zastosowania wzrastających dawek hydrożelu w uprawie pieczarki dwuzarodnikowej Agaricus bisporus (Lange) Sing. Imbach

100%
Szarek S., Koc G.
Journal of Agribusiness and Rural Development
|
2011
|
issue 4(22)
115-122
EN
The economical efficiency of the application of an increasing hydrogel dose in bispore mushrooms (Agaricus bisporus (Lange) Sing. Imbach SYLVAN 737) has been experimented in controlled weather conditions. It was found that the application of a 50 and 150 g•m-2 hydrogel dose is not economically proved due to the lack of harvest significant increase. In the cultivation of this particular variety of mushrooms, the optimal hydrogel dose should not be 100 g•m-2 of subsoil.
2

THE DYNAMICS OF THE BATTLE OF FIRMS FOR THE PURCHASER AND THE COMPETITVENESS: THE OUTLINE OF THE MODEL

100%
Lipowski A.
Studia Ekonomiczne (Economic Studies)
|
2005
|
issue 3(46)
215-242
EN
The purpose of this study is to develop a concept of market rivalry between firms for customers to clarify the mechanism of the competitiveness of production. The issue is to be able to research the impact of competitiveness upon consumers' welfare and economic growth. Simultaneously, the concept will be useful in critical analysis of micro-economic competition theory. The method is based on modelling the struggle basing upon precisely defined, unorthodox initial assumptions of struggle and assumptions concerning the structure of struggle dynamics. The results are the following theses: (a) the struggle between firms for customers is a necessity in case firms for demand-related reasons hold of the production capacity reserves, and their product is diversified; (b) the dynamics (growth, stability, decline) of production competitiveness depends upon the objective of the struggle between firms (maximalist, minimalist) and effectiveness in the implementation of such objective; (c) the dynamics (growth, stagnation) of production efficiency depends upon what type of struggle - offensive or defensive - prevails in the economy; (d) a company may achieve growth in production competitiveness without improving its production efficiency; (e) under the conditions of an open world market, offensive struggle method is more probable than in case of a closed national market. Concluding: the impact of production competitiveness upon consumer welfare and potential GDP growth is indirect - as the object of struggle between the firms for customers, the consequence of which is a pre-determined dynamics of production efficiency. However, acting as a factor determining the share of supply in the world market - competitiveness (international) bears direct impact upon the growth rate of actual GDP.
3
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Efficiency Of Resource Use In Small-Scale White Shrimp (Penaeus Vannamei) Production In Lamongan Regency, East Java Province, Indonesia

88%
Lestariadi R. A., Thongrak S., Anindita R.
Journal of Agribusiness and Rural Development
|
2012
|
issue 4(26)
31-42
EN
This study carried out to determine the efficiency of recourses used in white shrimp (Pe-naeus Vannamei) production in Lamongan Regency, East Java Province, Indonesia. The simple random sampling technique used to select 125 small-scale white shrimp farmers from six-study areas in Lamongan Regency. The white shrimp production function was es-timated using Ordinary Least Square (OLS) technique. The results indicated that Double Log production function had the best fit in explaining the relationship between output of white shrimp and inputs used. The coefficient of determination (R2 = 0.846) indicated that the eighty-four point six percent of variation in output of white shrimp was explained by the independent variables in the model. Findings showed that labor, fertilizer, feed and stocking density are significant determinants of production inputs. Moreover, the estimates of the ra-tio of the value of marginal product (VMP) to marginal factor cost (MFC) revealed that the non-optimal combination of inputs among the white shrimp farmers, it showed that the aq-uaculture farms resources were inefficiently utilized for labor, feed and stocking density by 1.94, 1.93 and 171.4 respectively, while fertilizer showed otherwise by 0.11 or over uti-lized.
4

EFFICIENCY AND INNOVATION VERSUS COMPETITIVENESS OF POLISH AGRICULTURAL HOLDINGS (Efektywnosc i innowacyjnosc a konkurencyjnosc polskich gospodarstw rolnych)

75%
Jozwiak W.
Wieś i Rolnictwo
|
2011
|
issue 1(150)
75-86
EN
In Poland there are 243,000 agricultural holdings (app. 10% of their total number) capable of competing with their counterparts in other EU countries. However, they must take into account the worsening economic conditions and the necessity to restructure production, which requires, above all, the allocation of their own financial resources. The paper indicates the possibilities for and the scope of income growth achievable owing to an improvement in the efficiency of agricultural production and efforts to introduce production means serving as carriers of several types of innovations. It is highly probable that the holdings of the economic size of at least 16 ESU have greater possibilities in these two areas.
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