描述:
society. The central
Shaanxi Province lies in the northwest inner-land, lacking in water resources. Although
there have been major farmland irrigation projects and perfect management system in
the Qin and Han Dynasty, the times of the Sui and Tang Dynasty, the situation of water
depletion could not be changed radically.
描述:
ainly chooses three aspects, the quantity and quality
of farmland, the land system and agricultural technology, to analysis the fact that the land system,
the land utilization patterns and the selection of agricultural technology are constrained by natural
environment and land resources, accordingly reveal the main-land relationship which is influenced
by natural environment. The thesis is composed of four parts.
描述:
od of Warring States
(475-221 B.C.), attracting scholars' attention and becoming one of important schools then.
After Qin Dynasty, scholars determining to study agriculture carried forward good
traditions of Non自is in the Period of Warring States, enriched researching contents and
fields, and enabled Non自is to develop in depth. In finial, those determining to study
agriculture formed a group with researching agriculture as its distinguishing feature. What
the group researched included agricultural ideologies, techniques of farming and cropping,
methods of operation and management, measures of fighting and preventing agricultural
calamities. The whole group showed its own styles in valuing agriculture and concerning
people's livelihood. And those agricultural ideologies, science and technology, methods and
spirits composed Nongjia's culture, the cream of which can afford us lessons to solve
today's new problems.
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.