描述:
stics of the basic
conditions for the development of agricultural industry in Jiuquan City and, the
situation of and constraints in the development of featured agricultural industry,
aiming at seeking an approach to futher develop the featured agricultural industry in
the city of Jiuquan.
描述:
duction in the area is
restricted by disadvantageous natural resources and environmental conditions,
including low arable land area per capita, frequent drought events and a landscape
dominated by mountains. Forage crop rotation systems could improve soil fertility,
increase crop外eld and provide quality forage supplies for livestock production.
Additionally, their adoption is considered a suitable means to advance sustainable
agriculture development. In this study, the role and status of forage crop rotations in
Tianshui city were studied.
描述:
t carrier means, in the industrialization
process, rel如ng on local brand or geographical advantages of the brand to develop the regional
economy has become more and more countries and regions choices.
描述:
th, the demand of water resource is
continuously increasing. That is to say water shortage has become a global problem. Water
resources carrying capacity is the basis and prerequisite of regional socio-economic development,
which is significant to realize the coordinated development of regional "water resources-
ecological environment-socio-economy" composite system. So it has become the focus and hot
topic in water science field nowdays.
描述:
th, the demand of water resource is
continuously increasing. That is to say water shortage has become a global problem. Water
resources carrying capacity is the basis and prerequisite of regional socio-economic development,
which is significant to realize the coordinated development of regional "water resources-
ecological environment-socio-economy" composite system. So it has become the focus and hot
topic in water science field nowdays.
描述:
y, military and culture in Ming Dynasty。The research on military
farming of the Ming Dynasty played the vital role of leading as to the
research on the outline the history of the Ming Dynasty. The Military
Farming in three states-- He Min and Tao-in Ming Dynasty, as the
epitome of the Ming Dynasty Northwest military Farming, has its
characteristics. He Min and Tao military farming not only has the
common characteristic of that period, but also has its unique distinguishes,
because which is located at the junction of the Han and other ethnic
groups, within the area lived many ethnic minorities. In this paper, the
author analyzes the relevant historical materials and uses theories and
methods of history and ethnology to explain the origin, development,
characteristics of the military farming. And the author discusses the
reasons why they declined in the later years and the impacts in a detailed
and intensive way. Based on local historical dates and combined with the
same period dates, the article analyze mainly the differences among the
three states from its preparation, operation, function and impact aspects
and deal with the military system of the Ming Dynasty, migration,
defense policy, minority administration and policy, economic strategies.