描述:
fter the land reform, collectivization and the
commune movement set up centralized mobilization system for the period of the traditional
system the effective implementation of water policy provides a strong foundation.
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:
ry of agricultural development in China has a
special significance. China introduced some of the new species, new technology and new
knowledge from the West to transform traditional agriculture and improve production
efficiency.
描述:
ry of agricultural development in China has a
special significance. China introduced some of the new species, new technology and new
knowledge from the West to transform traditional agriculture and improve production
efficiency.
描述:
cal changes took place
in China. In the wars lunched against China by France, Japan and the Eight-power
Allied Forces, imperial force made its way into China step by step and China was
transforming itself into a semi-colonial, semi-feudal society.