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发展小品种粮食 推进种植结构调整
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作者 廖占平 《粮食问题研究》 2002年第4期39-39,共1页
关键词 种植结构调整 四川 邻水县 粮食生产业 经济效益 市场导向 政府主导
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China’s Potential of Grain Production Due to Changes in Agricultural Land Utilization in Recent Years 被引量:19
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作者 XIN Liangjie LI Xiubin +1 位作者 ZHU Huiyi TAN Minghong 《Chinese Geographical Science》 SCIE CSCD 2009年第2期97-103,共7页
The changes in utilization of agricultural land have gradually grown into one of the major factors impacting grain output in China. This study explores the various components of agricultural production in China from t... The changes in utilization of agricultural land have gradually grown into one of the major factors impacting grain output in China. This study explores the various components of agricultural production in China from the land utilization perspective, involving changes in grain production per unit area, multi-cropping index, and adjustment of agricultural structure. Compared with the record values, different research methodologies are used to analyze the po- tential of above three components. The results indicate that grain production potential of 65.68×109kg was unexploited in 2006, in which 45.8×109kg came from the restructuring in agriculture. So we can infer that the reduction of grain production in China could be primarily attributed to agricultural restructuring in recent years. So the productive poten- tial can be fully restored by increasing agricultural investment, or recovering agricultural structure in favorable condi- tions. So we can say that China’s current condition of food security is good. 展开更多
关键词 grain production potential of grain production agricultural land utilization changes multi-cropping index reduction of grain product food security
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Land Suitability Assessment and Landuse Planning: A Prerequisite for Food Security and Climate Change Adaptation
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作者 Kwabena Abrefa Nketia Yeboah Edward +2 位作者 Asamoah Eric Forkuo Kwabena Eric Senayah James 《Journal of Agricultural Science and Technology(A)》 2014年第8期650-656,共7页
Though Ghana's crop yield growth rate was at 17%, 5% of every 1.2 million Ghanaians have insufficient and limited access to nutritious food. Climate change and climate variability have enormously affected the state o... Though Ghana's crop yield growth rate was at 17%, 5% of every 1.2 million Ghanaians have insufficient and limited access to nutritious food. Climate change and climate variability have enormously affected the state of agricultural productivity and hence could result in food insecurity. As many ongoing projects use Boolean suitability analysis, land use planning, management recommendations sores, it still remains inadequate to support rural resource poor farmers. This then, is affecting livelihood and agricultural productivity. In this paper, a geostatistical quantitative method to support a geographic information system (GIS) based on multi-criteria decision support system (GMCDSS) for an enhanced land suitability assessment (LSA) and landuse planning (LP) was devised. Project findings indicated that, recommended farm inputs could be estimated and applied accordingly at farm plot levels Soil amendment indicators (e.g., 1.0 t/ha lime + 1.0 t/ha gypsum was estimated for liming) was quantified and currently, farmers can save money in soil fertility management. It has shown that, instead of applying 5.0 t/ha poultry manure (PM) or five bags of N-P-K fertilizer (rate of 15: 15: 15 N-P2O5-K2O/ha) + two bags of sulphate of ammonia (SA), a farmer may apply 2.0 t/ha PM + two bags 15:15:15 N-P2O5-K2O/ha + one bag of SA. GMCDSS assessment has proved to be fundamental in: (1) urban planning; (2) ensuring food security; (3) poverty reduction and interventions to the effects of climate change and climate variability. 展开更多
关键词 Climate change food security GIS land suitability land use planning soil suitability.
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Thought on the Implementation of Agricultural Standardization in the Grain Production and Modern Agriculture
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作者 袁清 覃雅芳 章强华 《China Standardization》 2014年第1期56-60,共5页
The construction of Grain Production Functional Zone and Modern Agicultural Zone (Two Zones for short) plays a key role in the development of modern agriculture and solving the quantity and quality problems of agric... The construction of Grain Production Functional Zone and Modern Agicultural Zone (Two Zones for short) plays a key role in the development of modern agriculture and solving the quantity and quality problems of agricultural products. The Two Zones serves as the important form and carrier of agricultural standardization and the agricultural standardization provides means and ways for it. The paper puts forward the suggestions and solutions for agricultural standardization in Two Zones in the aspects of boosting standards innovation projects, management and so forth. 展开更多
关键词 Two Zones Grain Production Functional Zone Modern Agricultural Zone agricultural standardization
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Women as a Key to Agriculture and Food Security in Sudan: The Case Study of Northern Kordofan State
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《Journal of Agricultural Science and Technology(B)》 2012年第5期614-620,共7页
In the rural areas where most of the world's hungry people live, women produce most of the locally consumed food. Their contribution could be much greater if they had equal access to essential resources and services,... In the rural areas where most of the world's hungry people live, women produce most of the locally consumed food. Their contribution could be much greater if they had equal access to essential resources and services, such as land, credit, and training. In Sudan, women have always been active in agriculture and food security, constituting 17% to agricultural labor force. However, culture coupled with imperfections of official data underestimates their contribution. Accordingly, this study was carried out in the western part of Sudan, namely, North Kordofan State in order to identify and assess the role of women in agriculture and food security and identify the main factors and constraints affecting their contribution to agricultural production in the state. The findings confirm that women contribute 74% to the monthly agricultural income, 65% to total income, 62% to the labor work, and 65% to the household activities. Their average daily working hours are 14, while, those of men are only 8. The study suggests that the removal of the obstacles those women face could increase their contribution to and enhances the livelihood of the people in the state. Hence, a review to the relevant government policies is needed, so that women are empowered by improving their access to resources and credit. 展开更多
关键词 WOMEN food security SUDAN Kordofan case study.
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Impacts of Agricultural Mechanization on Agricultural Production in Guangdong Province
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作者 Haiming LI 《Agricultural Science & Technology》 CAS 2014年第6期1028-1030,1034,共4页
Agricultural machinery represents modern method and modern condition of production, and Agricultural mechanization is the key basis and symbol of modern agriculture. Based on analyses of agricultural mechanization dev... Agricultural machinery represents modern method and modern condition of production, and Agricultural mechanization is the key basis and symbol of modern agriculture. Based on analyses of agricultural mechanization development in Guangdong Province from 1988 to 2008, production function was developed to estimate the effects of agricultural mechanization on agricultural production. The results indicated that the contribution of agricultural mechanization to production continues to increase. The agricultural mechanization increased by 1%, and grain production by0.35%. Therefore, government should encourage development of agricultural mechanization in order to improve agricultural production in Guangdong Province. 展开更多
关键词 Agricultural mechanization Agricultural production Grain production Modern agricultural Guangdong Province
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Design of an Agricultural Production Model for the Food Demand of the Mining Complex
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作者 C. Gutierrez De Pifieres T. David C. Ruiz 《Journal of Food Science and Engineering》 2011年第4期245-251,共7页
The work's main purpose was to design and implement a model of agricultural production for the attention of food demand of the coal complex in the center of the department of Cesar, Colombia, by mounting Profitable P... The work's main purpose was to design and implement a model of agricultural production for the attention of food demand of the coal complex in the center of the department of Cesar, Colombia, by mounting Profitable Productive Units in rural areas of the zone with mining influence. The aforementioned rural communities are at a socioeconomic disadvantage concerning to the local economic development policies. It was taken a rural society with socio-economic conditions at a disadvantage, level 1 in the classification scale of 1 to 5 of Colombia, several associations were organized in each one of the affected municipalities with strong agricultural vocation to train them in profitable production strategies, authors performed technical and technological support for 12 months. In synthesis, there were meaningful differences among gross income per month of people who worked in the projects of the Young Rural Entrepreneurs, a fact confirmed by the P-value 0.00000005 (Prob. 〉 F) and the F-value 29.3, both denote the significance statistic for this case is best gross income per month of persons covered by the program, this implies that for a person of the rural community it is more meaningful economically linked to the SENA's Young Rural Entrepreneurs, in contrast to search for jobs in the informal sector, there is even an average value of 530.000 COP/month (about 265 US/month) higher than the statutory minimum wage for 2009, equivalent to 497.000 COP/month (about 245 US/month). 展开更多
关键词 Rural community mining complex TRAINING agricultural projects.
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Challenges of Women Contributing to Food Security in Ghana: Perspectives of Women Farmers in Northern Ghana
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作者 Asaah Sumaila Mohammed 《Sociology Study》 2013年第11期835-846,共12页
Women contribution to all the four pillars of food security (food availability, accessibility, utilization, and sovereignty) has been well established in Ghana and many sub-Saharan African countries. However, the is... Women contribution to all the four pillars of food security (food availability, accessibility, utilization, and sovereignty) has been well established in Ghana and many sub-Saharan African countries. However, the issue of sustainability of their contribution to the food security equation is still a dilemma. This study therefore examined the challenges and vulnerabilities associated with women farmers in accessing and controlling land for sustained agriculture in Northern Ghana. The study was mainly qualitative and utilized various participatory dialogue processes including focus group discussions and key informant interviews of selected women farmer groups, individual farmers, opinion leaders and traditional authorities in eight communities across four districts in three regions of Northern Ghana. The data was analysed thematically. Results of the study showed that women are disadvantaged in all the possible means of acquiring land for agricultural production-- inheritance, marriage, rent, shared cropping, outright purchase, and gift. It was evident that women have appreciable levels of access to land, but have low level of control of such lands for sustained food production. Several factors, such as low income, socio-cultural factors, climate change, mining, urbanization, low level of education, and low levels of awareness of property and inheritance rights, associate women's vulnerability to limited land in the study area. The findings of the study imply that any policy geared toward women empowerment in agriculture must not only target their access to land but also consider enhancing their control over agricultural land. The study therefore recommended that in order to increase food production and security in the study regions, there is the need to strengthen women's capacity to defend their land tenure rights and enhance their access and control over land within the context of natural resource management. 展开更多
关键词 Food security land access land control Northern Ghana women farmers
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Changes in Grain Production and the Optimal Spatial Allocation of Water Resources in China 被引量:1
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作者 金涛 秦小瑜 黄丽艳 《Journal of Resources and Ecology》 CSCD 2016年第1期28-35,共8页
Changes in grain production are decomposed and compared among nine major Chinese river basins for the sake of optimal water allocation. The results show that water-deficient northern China, especially the Songliao Riv... Changes in grain production are decomposed and compared among nine major Chinese river basins for the sake of optimal water allocation. The results show that water-deficient northern China, especially the Songliao River Basin and Huai River Basin, contributed the greatest share of the total grain increment from 1995 to 2010. The Songliao River Basin achieved increased grain output largely by expanding multiple cropping, while the Huai River Basin achieved it mainly by improving the yield per unit area. With increased reliance on expanding irrigation and multi-cropping, most northern basins have high levels of agricultural water consumption, despite the rising share of corn, a lower water intensive crop. In contrast, over the same period the warm and humid south, traditionally a major rice-growing area, mostly experienced a sharp decline in rice cropping area and the Southeast Rivers Basin even reduced multiple cropping indexes, contributing to decreased agricultural water consumption. Implications of our findings and the need for tackling the imbalance of agricultural water use in grain production are discussed. 展开更多
关键词 grain production change agricultural water usage river basins decomposition method China
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Understanding Agriculture Production and Food Security in Ethiopia from the Perspective of China
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作者 LI Fadong LENG Peifang +9 位作者 ZHANG Qiuying SONG Shuai QIAO Yunfeng GU Congke ZHANG Qian WU Liang Mulubrhan Balehegn Dagne Mojo ZHU Nong ZHAO Xin 《Journal of Resources and Ecology》 CSCD 2018年第3期237-249,共13页
Food security and sustainable agricultural development are the hot issues of scientific research, especially after the population affected by hunger surprisingly increased in 2016. Long-lasting and recurrent famines c... Food security and sustainable agricultural development are the hot issues of scientific research, especially after the population affected by hunger surprisingly increased in 2016. Long-lasting and recurrent famines caused by natural disasters and wars have afflicted Ethiopia. Unlike Ethiopia, which is still struggling to achieve food self-sufficiency, China managed to quickly become food self-sufficient at a rapid speed, despite the fact that it also faced the same challenges of famine over the last century. In the backdrop of differing environmental and socio-political challenges the two countries face, comparing the similarities and differences between the two countries will yield important lessons and insights for Ethiopia to follow to achieve food self-sufficiency. Here, the progress towards food security in Ethiopia and China is presented to quantitatively compare the gap of agricultural production between both countries. We found that food production in Ethiopia is heavily constrained by drought, soil degradation, climate change, out-dated agricultural production technologies, and poverty. According to these challenges, we examined corresponding responses in China to propose solutions for achieving food self-sufficiency in Ethiopia, given the realities of its unique national situation. 展开更多
关键词 food security agriculture production Ethiopia China SELF-SUFFICIENCY
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