农业地带

华北旱作农业地带立体农业开发的方向和途径&以河北省滦平县为例

Directions and ways on the development of vertical agriculture in dry farming area of North China ── taking Luanping county of Hebei as a case

加利福尼亚维赛利亚是中央山谷的农业中心地带，在这里长大的Black一直记录着这块渐渐荒芜、缺乏让农民渴望将农作物养活以求得谋生之道的水源的土地。

Black , who grew up in Visalia , Calif. , the agricultural heart of the Central Valley , has been documenting the land of hischildhood slowly waste away , starved of the water that farmers desperately needto keep their crops and livelihoods alive .

北面、西北面和西面的群山将城市和华北农业中心地带环绕，阻止了沙漠草原对这些地方的侵蚀。

Mountains to the north , northwest and west shield the city and northern China 's agricultural heartland from the encroaching desert steppes .

河西走廊甘肃农业的精华地带，形成了许多很强具有竞争力特色农产品。

The essence of the Hexi Corridor in Gansu agricultural areas , has formed many strong competitive characteristics of agricultural products .

但是消费者其中很多在前些年的股市崩盘中遭受了严重的损失，他们不得不减少了近一成的开支费用，并且1930年夏天开始，一场严重的旱灾袭击了美国农业的核心地带。

But consumers , many of whom had suffered severe losses in the stock market the previous year , cut back their expenditures by ten percent , and a severe drought ravaged the agricultural heartland of the USA beginning in the summer of 1930 .

多伦县地处北方典型草原区与华北旱作农业区的过渡地带，属于生态脆弱区，其草地退化、沙化特征具有一定代表性。

Duolun Country lying in the ecotone between grassland and the dryland agriculture region in Northern China is an ecological fragile zone .

呼伦贝尔市处于内蒙古自治区的东北部地区，属于西北干旱区向东北湿润区和华北旱作农业区的过渡地带，对于保障我国的生态安全和可持续发展具有重要的意义。

Hulun Buir is located in northeast part of Inner-Mongolia , which is transitional zone from arid areas in northwest change to the humid area in northeast and dryland farming areas in north China . It is significance meaningful to protect ecological security and sustainable development of China .

而城市市区内农业作为城市农业灰色地带，尚处于不合法的地位，但其存在与城市的发展密切相关。

The urban agriculture as urban agriculture , urban areas of gray areas , is still in illegal status , but its existence is closely related with the development of the city .