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:
ovement. Furthermore, analyses of
adverse effects on crop growth and development can probe into the crops’ adaptability to
adverse environments so as to optimize the breed selection and cultivation.
描述:
and trends,
these new situation on the traditional family ethics raised new challenges in the
traditional Confucian family ethics formed a huge impact.