首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   234篇
  免费   11篇
  2023年   2篇
  2020年   4篇
  2019年   10篇
  2018年   10篇
  2017年   8篇
  2016年   10篇
  2015年   4篇
  2014年   10篇
  2013年   39篇
  2012年   11篇
  2011年   10篇
  2010年   13篇
  2009年   11篇
  2008年   17篇
  2007年   11篇
  2006年   7篇
  2005年   13篇
  2004年   10篇
  2003年   5篇
  2002年   5篇
  2001年   3篇
  2000年   8篇
  1999年   5篇
  1998年   2篇
  1997年   1篇
  1996年   2篇
  1995年   2篇
  1994年   3篇
  1991年   1篇
  1990年   1篇
  1988年   2篇
  1987年   1篇
  1985年   1篇
  1984年   2篇
  1978年   1篇
排序方式: 共有245条查询结果,搜索用时 0 毫秒
11.
中国"三农"问题的由来和发展   总被引:16,自引:1,他引:15  
中国在改革开放过程中出现的特有的城乡关系和特有的城乡发展路径,产生了中国特有的"三农"问题的理论.这个理论的形成和运用,对于深入认识我国的基本国情、用以指导社会主义现代化建设的实践和对其他国家的问题进行研究,都是很有意义的.我国"三农"问题总的情况是农业问题已经基本上得到了解决,但农民问题和农村问题还很严重,主要根源还在于计划经济体制下所形成的一套农村、农业政策还没有得到根本转变.解决农民问题和农村问题,要继续深化农村体制改革,下决心改革户籍制度,改革现有的土地承包制度,改革现有的国民收入分配格局和乡镇现有的政权体制包括财政体制.  相似文献   
12.
Kristin Reynolds 《对极》2015,47(1):240-259
Many studies have documented the benefits of urban agriculture, including increased food access, job creation, educational opportunities, and green space. A focus on its social benefits has fed an association of urban agriculture with social justice, yet there is a distinction between alleviating symptoms of injustice (such as disparate access to food or environmental amenities) and disrupting structures that underlie them. Despite its positive impacts, urban agriculture systems may reinforce inequities that practitioners and supporters aim to address. This paper reports findings from a 2‐year study of urban agriculture in New York City, which found race‐ and class‐based disparities among practitioners citywide. Using the lens of critical race theory, it argues that a failure to examine urban agriculture's role in either supporting or dismantling unjust structures may perpetuate an inequitable system. The paper concludes with recommendations for urban agriculture supporters and scholars to help advance social justice at structural levels.  相似文献   
13.
Incentive programs to encourage landowners to protect habitat should be carefully designed to avoid motivation crowding: basically, replacing intrinsic reasons such as a land ethic with extrinsic ones like payments. Little research on motivation crowding tests real programs, and no such work has been done in Canada. We surveyed farmers in Nova Scotia in 2017 to explore whether participation in a new incentive program called Wood Turtle Strides, or knowledge about a similar incentive program potentially available in the future, would alter reported motivations to use riparian setbacks and buffers. Motivations to use setbacks or buffers were heavily intrinsic across all four survey cohorts: wildlife stewardship and sacrifice motivated actions more than social pressures. We were not able to statistically test for motivational crowding due to low program uptake and thus post-program survey responses, but there was no evidence of second-hand crowding: farmers being motivated by hearing about a program in an adjacent jurisdiction. Findings point to the significance of wildlife stewardship for many farmers, and persistent resistance to conservation among others, as well as a risk of low additionality. More post-program research is necessary to fully understand the program's net impact on motivations and conservation.  相似文献   
14.
15.
内蒙赤峰巴彦塔拉辽代遗址浮选结果及分析   总被引:1,自引:0,他引:1  
伴随巴彦塔拉辽代遗址的发掘过程进行了植物浮选工作,获得了包括粟、黍、大麦、荞麦、大麻等农作物籽粒,以及禾本科、藜科、豆科、锦葵科等植物种子。通过植物遗存的分类与鉴定及遗址出土相关考古资料综合分析,该遗址辽代先民的生业经济应属于以种植粟、黍、荞麦、大麻为主的北方典型旱作农业,同时兼营牧业。  相似文献   
16.
Migration theories often ignore the role that states play in stimulating migration through public assistance policies. Using the case of Mexico, this article explores the role of the state as a migrant‐producing actor by examining the relationship between migration and social assistance policies in the form of monetary cash transfers. It argues that direct, unconditional cash transfers, like those provided by agricultural programs such as Procampo, rather than providing the incentives needed to retain individuals in their home country, may instead be providing the resources needed to migrate, particularly if the amount of the transfer is insufficient to spur investment. Instead of discouraging migration by enhancing economic opportunities and reducing poverty, such policies can actually make it easier and more appealing for its beneficiaries to migrate.  相似文献   
17.
Offering a systematic comparison of the history of the differing rural gender orders that have developed in Norway and Sweden since 1750, this article considers the complex interconnections between gender and capitalist relations. It begins by highlighting the contrasts between these two Scandinavian countries’ settlement patterns, agricultural structures and rural gender orders, in spite of the similarities in their environments, social-democratic policies and commitments to gender equality. Within a theoretical framework focused on the persistence of simple commodity production by farming families within capitalist economies, it considers the gender division of labour, commodity systems, and laws of succession and inheritance as they bear upon the positions of farm women in Norway and Sweden. Tracing the development of stratification in the countryside and the history of farmers’ political activism at the national level illuminates the salient differences between these two countries’ histories from the early 19th through the late 20th centuries. This comparison demonstrates that gender as well as the mobilization of rural citizens shaped the transition to capitalism and that, in turn, agricultural and settlement policies reshaped rural gender relations.  相似文献   
18.
This article draws on a case study of bovine life in the US dairy industry to observe the power relations and violent networks of commodification involved. I use the terms gendered commodification and sexualized violence to understand the lives of animals in the industry and the discourses that are employed to reproduce its practices. Focusing on sex and gender, concepts which have long been classic in feminist geography, this article explores the sexually violent commodification of both female and male animals in dairy production. In addition to the ways in which both are exploited for their productive and reproductive capacities, male animals are also discursively conceptualized as perpetrators of the violence against the females. This article engages with geographies of the body and animal geographies in order to extend geographies of the body to other-than-human bodies and in order to feature the body more prevalently in animal geographies. This attention to the animal body ultimately reveals the pervasiveness of sexual violence and the consequences of gendered commodification for both nonhuman and human others.  相似文献   
19.
An American specialist on Russia's agrarian sector and two collaborators explore the effects of distance to nearby urban markets on the agricultural output and income of Russian rural households. Unlike previous studies that have largely tested such effects on the basis of household distance from relatively large oblast administrative centers, the authors adopt a micro-level scale of analysis, focusing on distance from smaller rayon centers. Comparison of two sample populations (near vs. remote from rayon center) from a larger survey population of 900 households in nine representative regions of Russia reveals marked differences in household incomes, commodity output, and real holdings of land that are statistically verified by a linear regression model. Journal of Economic Literature, Classification Numbers: O18, P32, Q15, Q18. 4 tables, 46 references.  相似文献   
20.
秦、西汉时期关中农业发展的地域差异   总被引:2,自引:0,他引:2  
王勇 《史学月刊》2004,(8):14-19
在秦汉定都关中期间,围绕都城的建设与发展,关中内部的农业生产格局发生了较大变化,生产重心日益向东北方向倾斜。西汉后期关中东部渭北地区是关中农业生产的重心;西南部的农耕经济则几乎完全遭到毁灭;西北、东南部的农业生产虽有较大发展,其速度较东北部而言,却相对缓慢。  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号