搜索结果: 1-15 共查到“知识库 农业经济学”相关记录1645条 . 查询时间(2.54 秒)
Estimating local agricultural gross domestic product (AgGDP) across the world
agricultural gross domestic product across the world
2024/4/1
Economic statistics are frequently produced at an administrative level such as the subnational division. However, these measures may lack sufficient local variation for effective analysis of local eco...
Cropland displacement contributed 60% of the increase in carbon emissions of grain transport in China over 1990–2015
Cropland displacement carbon emissions grain transport China
2024/4/1
Rapid urbanization and population growth have increased the need for grain transportation in China, as more grain is being consumed and croplands have been moved away from cities. Increased grain tran...
El Niño: Malawi’s harvest of maize – its staple food – may fall by 22.5% this year
El Niñ o Malawi harvest of maize staple food
2024/4/1
Maize is the preferred staple of most of southern Africa. In Malawi it supplies two-thirds of national calorie intake. Nine out of 10 farming households produce maize and devote over 70% of their...
Incorporating Seasonality into an Agroeconomic Model of Ethiopia
Incorporating Seasonality Agroeconomic Model Ethiopia
2024/4/1
Ethiopia’s agriculture-based economy generates highly seasonal outputs, with most production occurring during the long-rains Meher season and a lesser amount during the short-rains Belg season. Despit...
Climate variability and simultaneous breadbasket yield shocks as observed in long-term yield records
Climate variability breadbasket yield shocks yield records
2024/4/1
That climate variability and change can potentially force multiple simultaneous breadbasket crop yield shocks has been established. But research quantifying the mechanisms behind such simultaneous sho...
陇东分区根据土地租佃关系大致分为两种地区:一是完成土地革命的地区,二是未完成土地革命的地区。
南京农业大学人文与社会发展学院科研团队——农业史研究
南京农业大学 科研团队 农业史研究
2023/11/20
农业史团队依托人文与社会发展学院科学技术史(农业史)一级学科硕士点、博士点与博士后流动工作站,以农业史与作物史研究为研究支撑,探索中华农业文明发展脉络,致力于探索传统农业和中华文明大一统的相互关系,阐明中华农业文明支撑体系及其构成要素。同时将视角延伸至全球化时代,工业革命对传统农业的冲击以及中国农业文明的应对,揭示中华文明生生不息、因时而变的文化基因研究团队。现有成员16名,其中教授4名、副教授6...
本文基于农民家庭发展的视角,分析了当前中国农业规模化转型的动力机制及内在困境。中国农业的规模化转型并未呈现出高度资本化的农业形态,而主要是农民家庭经营扩大化的结果。在市场机制下,农民家庭的农业规模经营旨在实现家庭劳动收入的最大化,所获得的农业规模报酬水平与外出务工的工资水平相匹配,从而得以突破传统小农家庭农业的发展困境。但是,日益增长的务工工资水平也不断刺激了农民家庭的规模扩张行为。随着经营规模的...
以四川武引灌区为案例,实证检验农业水价现实运行情况与农业水价形成机制的契合程度,探讨优化农业水价形成机制的基本方向。