描述:
early defined the concept of ancient forestry literature,
understood its meaning and value of research and discussed the historical distribution and basic
characteristics of ancient Chinese forestry literature in the ancient books.
描述:
ween marriage
and the family .And these bamboo slips material provide physical evidence to prove
that there are some failings in the historical texts .And' thus bamboo slips help to fill
描述:
ncentrated v}}ith 85% of the
total dry lands. and it is important for the national economy and the countr<0's strategic
agricultural growth. Northwest arid areas basically depend on natural precipitation. water
shortage has seriously affected the farmers practices. The decision of farmers to plant dry
land is a two-stage decision-making behavior: They first have to decide whether to plant
dry land, and then decide what kind of crops planted in the dry lands. It is essential to find
effective ways to raise the enthusiasm of farmers planting and reasonable arrangements for
dry land crop structure. However. ver}} few people study dry land farming practice from the
perspective of water shortages.
描述:
an’s historical
origins of the scarifical custom’s,the third part is the fieldwork of XinJiang
Heshuote Mongolian’s fire scarifical customs.the fourth parts is the cultrual
studies of XiinJiang Heshuote Mongolian’s scarifical customs.the fifth pars is the
conclusion of thesis,and the last part is the referenses of this thesis.