描述:
e
are scarce
are one of the
and nonrenewable
of city devel
engrave epoch stamp, They are often named "Green Antique" and "Live
opment,
Cultural
relic" by having high ecological, social, economic value, scientific research, high
ornamental and tourist, and historical memorial meaning.
描述:
nd mingle, thus
breeding diversified and unique northwestern highland cultures, showing national
characteristics and original beauty, meanwhile forming a large number of tangible and
intangible cultural heritages.
描述:
n the mountains. "Huaer" is such kind of song which is popular
in the areas of Gansu, Qinghai, Ningxia provinces. It is a cultural heritage
which has the most unique regional charm and features with rich contents
in northwestern region of China.
描述:
n the mountains. "Huaer" is such kind of song which is popular
in the areas of Gansu, Qinghai, Ningxia provinces. It is a cultural heritage
which has the most unique regional charm and features with rich contents
in northwestern region of China.
描述:
teau the seeding season is cold and little
rainfall. Soil temperature,moisture and fertilizer is an important factor in crop yield. So in this
area dissemination conservation tillage of importance. Most of former researches in
comparison between conservation tillage and conventional tillage. This experimentation
compare with sereval conservation tillage's difference. Through this comparison, wind-water
erosion in the Loess Plateau ecologically fragile areas and application of a reasonable choice
of different measures to provide a reference of farming with a view to achieving the
sustainable and health development of agriculture. In this study, selection of test sites in the
Loess Plateau in northern China typical wind-water erosion area Shenmu, a no-tillage, straw
mulch, plastic film mulching, mulching ridge, ridge of the five kinds of different measures of
conservation tillage experiment, observe ground temperature,soil nutrients,soil moisture,yeild
and soil and water loss.
描述:
jiang,
whose formation and development is closely linked with nomadism: the source
of the Uzbek nationality is made up of many ancient nomads of the Eurasian; the
way of nomadic life lasts in the Uzbek nationality } and today's Uzbeks in
Danangou Township of Mori County in Xinjiang are still engaged in nomadism
and it is their traditional livelihood. They have created and are creating a rich