描述:
est region,
which c
ombined with the
water-saving, agricultural soil and water conservation techniques, and then taken "
drought
resistance, reduce erosion, increase efficiency" as a principle.
描述:
People's commune", then later
"the
agrarian
management
revolution",
the "household responsibility
system". Accordingly, each transformation has also had the enormous influence to the
agricultural production development. Each correct adjustment of agricultural
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:
ogical characteristics of
the crops and people’s production and business activities, largely dominated by light,
heat, water, gas and other climatic factors.
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.