搜索结果: 1-15 共查到“农学 technical”相关记录29条 . 查询时间(0.062 秒)
The Technical and Financial Effects of Parenteral Supplementation with Selenium and Vitamin E during Late Pregnancy and the Early Lactation Period on the Productivity of Dairy Cattle
Reproductive Parameters Partial Budget Analysis Dairy Cattle
2016/5/18
This study aimed to determine the effects of parenteral selenium (Se) and vitamin E supplementation on economic impact, milk yield, and some reproductive parameters in high-yield dairy cows in the dry...
Fungicide effect of banana column juice on tomato southern blight caused by Sclerotium rolfsii: Technical and economic efficiency
Benin disease control biofungicide sclerotium rolfsii decision matrix
2011/1/13
The efficiency of banana column juice was compared to that of the synthetic fungicide Maneb 80 and urea in laboratory, in pots under shed and in the field. In laboratory, the products underwent trials...
Technical efficiency of traditional and hybrid maize farmers in Nigeria: Comparison of alternative approaches
Technical efficiency technology maize alternative approaches Nigeria
2011/1/13
In this study, technical efficiency of traditional and improved maize farms as well as impact of technological innovation on technical efficiency were investigated. Two-stage procedure was followed.
Constraints and determinants of technical efficiency in medium-scale soybean production in Benue State, Nigeria
constraints determinants stochastic frontier technical efficiency
2011/1/12
This study presents the empirical analysis of the constraints and determinants of technical efficiency in medium-scale soybean production in Benue State, Nigeria. Primary data were collected on 64 med...
Participatory technology development for improving animal-technical service system in Gongshan County, Northwest Yunnan Province, China
Animal extension service participatory technology development
2011/1/12
The purpose of this article is to examine and analyze the animal-technical service system and participatory technology development (PTD) approach adoption in Gongshan County, northwest Yunnan Province...
Technical efficiency of the small scale sugarcane farmers in Swaziland: A case study of Vuvulane and Big bend farmers
Technical efficiency sugarcane stochastic frontier function
2011/1/11
The technical efficiency of the small scale sugarcane farmers of Swaziland is investigated using stochastic frontier production functions for Vuvulane scheme and Big bend individual farmers.
Technical efficiency in resource use: Evidence from smallholder Irish potato farmers in Nyandarua North District, Kenya.
Efficiency food insecurity productivity stochastic frontier function Kenya
2011/1/11
There has been a consistent decline of Irish potato production in Kenya which challenges the food security status of the country. This paper used data from a field survey using a random sample of 127 ...
Technical efficiency of organic milk-farms in Germany– the role of subsidies and of regional factors
efficiency analysis organic farming agglomerations effects subsidies
2010/1/19
This paper investigates the efficiency of organic milk farms in Germany based on
data from 1994/95 to 2005/06. Five inputs and one output are analysed by means of a stochastic frontier production fu...
Modeling technical inefficiencies effects in a stochastic frontier production function for panel data
Efficiency stochastic frontier Translog production function Bangladesh tea Industry
2010/9/14
A stochastic frontier production function is defined for panel data on tea industries, in which the non-negative technical inefficiency effects are assumed to be a function of industry-specific variab...
An analysis of institutional and technical factors influencing agricultural marketing amongst smallholder farmers in the Kat River Valley, Eastern Cape Province, South Africa
Smallholder farmers market participation institutional and technical factors multinomial logistic regression model
2010/9/14
Smallholder farmers in the Kat River Valley do not use output markets effectively due to a number of factors. The technical and institutional factors that demoralise them from marketing are identified...
Determination of technical efficiency in cotton growing farms in Turkey: A case study of Cukurova region
Efficiency data envelopment analysis cotton Turkey
2010/9/13
This paper analyses technical efficiency of cotton farms in Çukurova region in Turkey. Data was collected from cotton farms through a questionnaire study. Data collection was carried out follow...
Relationship Between Technical Competency and Extensionists’job Performance
Technical competency extensionists’ Job Performance Good Agricultural Practice (GAP)
2010/11/15
This study was to determine the relationship between technical competency and extensionists’
job performance in relation to Good Agricultural Practice (GAP) among Malaysian extensionists at Departmen...
Mechanical Manegement and Technical Advances for Tea Field
Mechanical Manegement Technical Advances Tea Field
2009/7/15
Mechanical Manegement and Technical Advances for Tea Field.
Technical problems and practical operations in plant metabolomics
metabolomics metabolome metabolite profiling metabolic fingerprinting
2009/3/5
A metabolomics experiment consists of several complicated technical elements with each step (‘cultivation of organisms,’ ‘sampling,’ ‘sample preparation,’ ‘analysis,’ ‘data conversion,’ and ‘informa...
Analysis of technical, allocative and economic efficiency of different pond systems in Ogun state, Nigeria
Fish farming technical efficiency allocative and economic efficiency
2009/3/4
The study was carried out in Ogun State. The study investigated the costs and returns analysis of the respondents and the stochastic frontiers production analysis was applied to estimate the tec...