نتایج جستجو برای: area of land under rice cultivation

تعداد نتایج: 21268950  

2001
Mao Zhi

Rice is one of the most important food crops contributing over 39% of the total food grain production in China. Out of 113 million hectares of area sown under food crops 28% is covered by rice. The traditional irrigation regime for rice, termed as “continuous deep flooding irrigation” was applied in China before 1970s. A tremendous amount of water was used for the rice growing and only a low yi...

The limitations and boundaries of agricultural production is dependent on climatic conditions. Weather is one of the most important factors in human activities, especially agriculture. Corn cultivation in the country's food supply is essential.  Kermanshah province, with the potential favorable climate, optimum conditions for corn are cultivated. The aim of this study was to investigate the rol...

Journal: :ecopersia 2013
juan francisco sánchez-moreno abbas farshad petter pilesjö

around 80% of the population relies on agriculture, rice being the staple food. topography urges farmers to cultivate upland rice. the chinese interest in rubber latex has stimulated farmers to grow rubber, although the technical knowledge regarding tree management and latex processing is poor. a study was conducted in an area in luang prabang province to examine the suitability of upland rice ...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

Journal: :Remote Sensing 2016
Michael Eggen Mutlu Ozdogan Benjamin F. Zaitchik Belay Simane

Ethiopia is a largely agrarian country with nearly 85% of its employment coming from agriculture. Nevertheless, it is not known how much land is under cultivation. Mapping land cover at finer resolution and global scales has been particularly difficult in Ethiopia. The study area falls in a region of high mapping complexity with environmental challenges which require higher quality maps. Here, ...

2011
S. FENG S. TAN A. ZHANG Q. ZHANG G. PAN F. QU P. SMITH L. LI X. ZHANG

An inventory of topsoil soil organic carbon (SOC) content in household farms was performed in a village from a red earth region in Jiangxi Province, China in 2003. In this region, the farmland managed by each household is fragmented, consisting of several plots of land that are not necessarily adjacent to each other. A statistical analysis of SOC variation with land use and household management...

Journal: :Asia Pacific Journal of Management and Education 2022

Organic rice cultivation in Lampung Province is less developed because most farmers do a double cropping system that on adjacent land to plant various types of plants anticipate organic lower price. The problem faced by the management system, especially maximizing revenue gains from managing resources. During this time has not been able obtain an ideal profit, only break-even stage between busi...

2014
Santiago López

Agricultural expansion is one of the prime driving forces of global land cover change. Despite the increasing attention to the factors that cause it, the patterns and processes associated with indigenous cultivation systems are not well understood. This study analyzes agricultural change associated with subsistence-based indigenous production systems in the lower Pastaza River Basin in the Ecua...

Journal: :J. Geographic Information System 2011
Rizatus Shofiyati Ishak Hanafiah Ismullah Dan Dudung Muhally Hakim

Agricultural land has a strategic function as the primary food provider for the people of Indonesia. Various methods of agricultural production estimation, particularly food crops, provide different information. It can be a source of error in decision making. Satellite data, provides information periodically, wide coverage area, can be used as a source of information on the condition of agricul...

ژورنال: ارگونومی 2022

Background and Objectives: Musculoskeletal disorders and low quality of life are the most common problems among paddy farmers in the world. Paddy farmers are exposed to inappropriate postures, long working hours and stressful environmental conditions. The aim of this study was to compare different farming methods of rice cultivation (traditional and semi-modern) on the prevalence of musculoskel...

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