描述:
ium between the grain production
and water resource: the drought and the irrigation area in northeast china, the drought and the
irrigation region in Huanghuaihai area, the drought and the irrigation area in northwest
china.The article analized the characteristic of water using of the main crops and the main
cropping systems, compared the economic benefit of the water-saving planting patterns,
studied the economic benefit, the water-saving benefit and participatory farmers survey
results etc. of the water-saving technologies.
描述:
ian, Zhoujiatai Qinjian and Liye Qinjian. A study of
vocabulary based on these documents is needed, for we can know a lot
about the whole phenomenon of ancient language from it.
描述:
At the same time, people’s life are
glutted with living style of western modern culture and western modern thoughts, which
make people feel themselves rich in goods, but ragged in spirit. Worry, dullness, despair
and fear bow the heart and turn the spirit back to the dust.