نتایج جستجو برای: rice production technologies

تعداد نتایج: 853914  

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

abstract     the major constraints of agricultural production in the south western coastal areas of bangladesh are soil and water salinity of varying degrees, lack of fresh water for irrigation, slow soil drying pattern which are being augmented further due to climate change, requires suitable options of farming systems and component technologies. the major constraints and potentials of agricul...

Albert I. Ugochukwu Chuma I. Ezedinma

The Nigerian rice sector has made remarkable improvement in the last decade as production has increased significantly thereby reducing the gap between domestic supply and demand. In the last three decades, rice imports make up greater proportion of Nigerian imports as rice forms a structural component of the Nigerian diet. Past government inconsistent policies were not successful in securing go...

2013
S. B. Mustapha S. Bakari

The study analysed adoption of improved rice production technologies in Jere Local Government Area of Borno State, Nigeria. Descriptive statistics such as frequencies and percentages were used to analyse the data. The study revealed that 98.12% of the respondents were male, 57.5% were within 41-50 years and most (33.12%) of the respondents had adult education. The study revealed that majority (...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2014
umar sheshi isah

the study examined the socio-economic and farm level characteristics influencing adoption of rice production technologies in lavun local government area of niger state, nigeria. a total of 76 farmers were randomly selected from 24 villages and data were collected using interview schedule. descriptive statistics, adoption index and discriminate analysis were used to analyze data. the result reve...

Journal: :international journal of agricultural management and development 2011
albert i. ugochukwu chuma i. ezedinma

the nigerian rice sector has made remarkable improvement in the last decade as production has increased significantly thereby reducing the gap between domestic supply and demand. in the last three decades, rice imports make up greater proportion of nigerian imports as rice forms a structural component of the nigerian diet. past government inconsistent policies were not successful in securing go...

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
مرتضی تهامی پور دانشجوی دکتری اقتصاد کشاورزی، دانشگاه تهران ایرج صالح دانشیار اقتصاد کشاورزی، دانشگاه تهران. مهدی نعمتی دانشجوی کارشناسی ارشد اقتصاد کشاورزی، دانشگاه تهران.

the purpose of this study is calculate the rate of total factor productivity (tfp) growth  of rice varieties for different provinces of  iran and then breakdown it to the changes in a technology, management efficiency and scale efficiency. for this purpose we use the nonparametric method of comprehensive data analysis and malmquist productivity index. the used data include the rice varieties pr...

2016
Liangliang Hu Jian Zhang Weizheng Ren Liang Guo Yongxu Cheng Jiayao Li Kexin Li Zewen Zhu Jiaen Zhang Shiming Luo Lei Cheng Jianjun Tang Xin Chen

Because rice feeds half of the world's population, a secure global food supply depends on sustainable rice production. Here we test whether the co-cultivation of rice and fish into one "rice-fish system" (RFS; fish refers to aquatic animals in this article) could help sustain rice production. We examined intensive and traditional RFSs that have been widely practiced in China. We found that rice...

Shahidul Islam, Varghese Manaloor,

Background: Food security has been a target in India since its independence; the primary aim of food security is to ensure enough staple food for the entire population. Although substantial progress was made through the adoption of green revolution (GR) technologies and implementation of the food public distribution system (PDS), desirable food and nutrition security, as defined by the food and...

Journal: :مدیریت آب و آبیاری 0
سید علی رضا مسعودی دانشجوی کارشناسی ارشد آبیاری و زهکشی، گروه آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج – ایران عبدالمجید لیاقت استاد گروه آبیاری وآبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران

due to the important role of subsurface drainage in managing the ground water level, there are many researches focused on finding a new and more economic way to develop subsurface drainage technologies. lack of proper drainage system in northern iran has caused huge implantation of rice and it is impossible to have second implantation in this region. one reason of insufficiency of current drain...

2011
M. HUANG MD. IBRAHIM B. XIA Y. ZOU

Simplified cultivation technologies for rice have become increasingly attractive in recent years in China because of their social, economical and environmental benefits. To date, several simplified cultivation technologies, such as conventional tillage and seedling throwing (CTST), conventional tillage and direct seeding (CTDS), no-tillage and seedling throwing (NTST), no-tillage and direct see...

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