نتایج جستجو برای: rice fish farming

تعداد نتایج: 196987  

The study was undertaken to determine the socio-economic impact on agricultural farmers converted to fish farmers of Muktagachha Upazila in Mymensingh district. Questionnaire survey method was followed to collect data from the sample farmers. From the survey it was found that all 30 fishermen were male. Large portions (34%) of the fishermen were in the age group between 41 and 50. It was also f...

Journal: :Helgoländer Wissenschaftliche Meeresuntersuchungen 1970

2014
Paola Navarrete Dariel Tovar-Ramírez

According to the UN Food and Agriculture Organization (FAO), “aquaculture, probably the fastest growing food-producing sector, now accounts for nearly 50 percent of the world's food fish” [1]. However, production is hampered by unpredictable mortalities that may be due to the negative interactions between fish and pathogenic bacteria. Intensive fish farming has resulted in a problematic growth ...

2001
Mohammad Alauddin

SL2/PU!culture is of central importance to the fisheries sector in Bangladesh. It grew from next to nothing in the early 1970s to contribute about 11% of total exports in the mid-1990s (DOF 1995). No other primary commodity enjoyed such spectacular growth in post-independence Bangladesh. Although shrimp farming has had a significant impact on the economy of Bangladesh, it has had high environme...

2016
Wenhui Wang Hui Wang Youzhi Feng Lei Wang Xingji Xiao Yunguan Xi Xue Luo Ruibo Sun Xianfeng Ye Yan Huang Zhengguang Zhang Zhongli Cui

Soil microorganisms play a crucial role in the biogeochemical cycling of nutrient elements and maintaining soil health. We aimed to investigate the response of bacteria communities to organic farming over different crops (rice, tea and vegetable) along the middle and lower reaches of the Yangtze River of China. Compared with conventional farming, organic farming significantly increased soil nut...

2016
Qun Kang Rui Li Qi Du Bowen Cheng Zhiqi Liao Chengcheng Sun Zhaohua Li

This study aimed to explore the ecological adaptability and the possibility of growing rice with floating bed on the dilute biogas slurry. The results of the experiments show that the growth stage, rice plant height, and rice yield and quality were significantly affected by multiple dilutions; rice plants cultivated with 45 multiple dilutions had better ecological adaptability than others. In t...

Journal: :Research in Agriculture Livestock and Fisheries 2020

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2016
S O Saraiva P S Pompeu

The fish stocking in captivity for later release into natural water bodies has historically been applied in Brazil, as a measure to mitigate impacts caused by dams. However, the released fish are adapted to the hatchery environment, which is totally different from the natural, which results in low post-release survival rates and ineffectiveness of stocking as a management measure. Worldwide, se...

2017
Matty Demont Pieter Rutsaert

Although Vietnam is one of the biggest rice exporters today, there is an urgent need to restructure the sector. To guide the transition from being a quantity-focused producer to a credible supplier of quality rice, this study explores the sector’s opportunities for sustainable value chain upgrading. Data was collected through focus group discussions with farmers, stacked surveys with rice value...

2012
Jay Udani

The oceans of the world have always served as a nutrient source, whether from mollusks, fish or vegetation. The world’s animal and human populations have always relied upon the sea for nutrition and sustenance. The value of the sea is becoming ever present as soil quality diminishes due to over farming, pesticide use and urban sprawl [1]. In addition, drought is becoming a predominant player in...

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