The Preliminary Study on the Converting Measures between the Four Waters in Wet and Low-lying Farmla

• 作 者: KANG Bai-ying WEI Yong-xia GUO Da-ben
• 机 构: Heilongjiang Land Reclamation Bureau,Water and Construction College of Northeast Agricultural Univer
• 出 处: 东北农业大学学报
• 发表日期: 2004年期
• 关键词: wet and low-lying farmland precipitation surface water soil water ground water c

Most of China's wetland areas are located in the Sanjiang Plain.This area has 207×104 hm2 of wet and low-lying farmland,of which 59% is cropped.During the 1970s and 1980s,the Chinese government organized intensive scientific research into potential changes to existing natural resources conditions for these farmlands.The aim was to change the water resources regime to one that was beneficial to crop production.Arterial drainage,field drainage and appropriate sub-soil treatments were required.The relation between plant products industry and the Four Waters distribution,also the main measures of the Four Waters converting in wet and low-lying farmland were discussed in the paper.