农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-15 共查到农学 England相关记录22条 . 查询时间(0.328 秒)
Climate change has increased the productivity of forests, according to a new study that synthesizes hundreds of thousands of carbon observations collected over the last quarter-century. The ...
For centuries, cod were the backbone of New England's fisheries and a key species in the Gulf of Maine ecosystem.Today, cod stocks are on the verge of collapse, hovering at 3-4 percent of sustainable ...
For centuries, cod were the backbone of New England’s fisheries and a key species in the Gulf of Maine ecosystem. Today, cod stocks are on the verge of collapse, hovering at 3-4% of sustainable levels...
Environmental pollution of heavy metals from automobiles has attained much attention in the recent past. The present research was conducted to study heavy metal contamination in roadside soils of nort...
This article describes and analyzes the economic transformation of Maynard, Massachusetts. Located twenty-six miles west of Boston, Maynard was the home of the world's largest woolen mill. In 1950 the...
This paper describes and analyzes the recent experience of communities in the six New England states concerning the revitalization of their 19th century mills and mill yards. It begins with an examina...
Over the past twenty years, we have been involved in economic revitalization projects in more than 50 mill towns across the state of Massachusetts. We begin these projects with a quiet visit to each c...
America's nuclear power companies for the first time, face reduced demand and a resulting decline in generating capacity that will affect not only the industry, but also the communities that have beco...
This Master's Project aims to examine the issues involved in the creation and enhancement of direct-to-business and direct-to-institution marketing and distribution arrangements for mid-sized farms in...
This article describes and analyzes the economic transformation of Maynard, Massachusetts. Located twenty-six miles west of Boston, Maynard was the home of the world's largest woolen mill. In 1950 the...
America's nuclear power companies for the first time, face reduced demand and a resulting decline in generating capacity that will affect not only the industry, but also the communities that have beco...
Over the past twenty years, we have been involved in economic revitalization projects in more than 50 mill towns across the state of Massachusetts. We begin these projects with a quiet visit to each c...
This paper describes and analyzes the recent experience of communities in the six New England states concerning the revitalization of their 19th century mills and mill yards. It begins with an examina...
Nonpoint source (NPS) pollution is one of the leading causes of water quality problems in the United States. Bioretention has become one of the more frequently used stormwater management practices for...
Researchers explore various aspects related to art and urban life using terms such as cultural economy, the 'creative class', cultural clustering; and there are many more. Public art is one strategy, ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...