نتایج جستجو برای: land productivity

تعداد نتایج: 198818  

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
onwuchekwa raphael iheke department of agricultural economics michael okpara university of agriculture, umudike pmb 7267, umuahia, abia state, nigeria ebuka testimony amaechi department of agricultural economics, michael okpara university of agriculture, umudike. p. m. b. 7267, umuahia, abia state, nigeria.

this study analyzed the determinants of the productivity of smallholder arable crop farmers with a particular focus on land fragmentation using the simpson index as measures of land fragmentation in imo state of nigeria. data collected by using structured questionnaire and interview schedules were analyzed using simple descriptive statistics; simpson index and regression analysis. results showe...

2015
Linlin Xiao Xiaohuan Yang Hongyan Cai Marc A. Rosen

With rapid and continuous population growth and the associated declining quality of cultivated land, food security in China has been attracting the attention of scholars both domestically and internationally. In recent decades, the implications of the cultivated land balance policy have promoted spatial changes of cultivated land. Estimating the agricultural potential productivity and assessing...

2001
Stein Holden Bekele Shiferaw John Pender Peter Hazell

EPTD Discussion Papers contain preliminary material and research results, and are circulated prior to a full peer review in order to stimulate discussion and critical comment. It is expected that most Discussion Papers will eventually be published in some other form, and t hat their content may also be revised. ABSTRACT This study analyzes how market imperfections affect land productivity in a ...

Onwuchekwa Raphael Iheke, Ukandu Ihuoma

This study examined the effect of urbanization on agricultural production in Abia State. Specifically, it categorized the land tenancy status of the farmers, analyzed the effect of urbanization on agricultural productivity and identified the constraints to agricultural productivity. Multistage random sampling technique was used to select the respondents. Primary data collected using structured ...

2016
Yahui Wang Xiubin Li Jianzhong Yan Adrian Muller

In order to improve the rural labor productivity and farmers’ income, land use transfer was launched and encouraged in recent years, especially the Thirteenth Five-Year Plan (2016–2020). This study aims to shed light on the impact of land use rights transfer on household labor productivity, based on a case study of Chongqing in China. Studies have revealed that land use transfer entails a proce...

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
onwuchekwa raphael iheke department of agricultural economics, michael okpara university of agriculture, umudike pmb 7267, umuahia, abia state, nigeria ukandu ihuoma department of agricultural economics, michael okpara university of agriculture, umudike pmb 7267, umuahia, abia state, nigeria

this study examined the effect of urbanization on agricultural production in abia state. specifically, it categorized the land tenancy status of the farmers, analyzed the effect of urbanization on agricultural productivity and identified the constraints to agricultural productivity. multistage random sampling technique was used to select the respondents. primary data collected using structured ...

Journal: :journal of agricultural science and technology 2010
h. salami

this paper examines the effects of agricultural land productivity improvement on the economy of iran assuming that the domestic and international trade liberalizations will open up the opportunities to expand market access. a 25-sector computable general equi-librium model was developed to simulate the effects of this policy. the simulation results indicate that enhancing agricultural land prod...

2011
Štefan Bojnec

The paper provides an overview and a comparison of land markets covering the three candidate countries for European Union membership: Croatia, the Former Yugoslav Republic (FYR) of Macedonia and Turkey. We analyse and compare agricultural land structures and factors driving land markets. The analyses are based on the available crosssection and time-series evidence on agricultural land structure...

This study analyzed the determinants of the productivity of smallholder arable crop farmers with a particular focus on land fragmentation using the Simpson Index as measures of land fragmentation in Imo state of Nigeria. Data collected by using structured questionnaire and interview schedules were analyzed using simple descriptive statistics; Simpson index and regression analysis. Results showe...

2018
Chang Dou Rick Gustafson Renata Bura

Background In the biofuel industry, land productivity is important to feedstock growers and conversion process product yield is important to the biorefinery. The crop productivity, however, may not positively correlate with bioconversion yield. Therefore, it is important to evaluate sugar yield and biomass productivity. In this study, 2-year-old poplar trees harvested in the first coppice cycle...

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