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江苏省东部沿海现有围而未垦的重盐土地100万亩,可供围垦的滩涂约300万亩.为了开发利用这些土地资源,加快我省农业生产的发展,1980～1982年本研究协作组在江苏省农林厅和农科院的主持下,在大丰、如东有水源条件的新围垦区进行了“两水一旱,一年三绿”(春季放养细绿萍——夏季细绿萍保种时寄种田菁——秋季放养细绿萍)为主的细绿萍改良重盐土试验研究.
In the eastern part of Jiangsu Province, there are 1 million mu of heavy salt land surrounding the uncultivated land and about 3 million mu of reclaimed tidal flat. In order to develop and utilize these land resources and accelerate the development of agricultural production in our province, the research collaboration between 1980 and 1982 Under the auspices of the Department of Agriculture and Forestry and Academy of Agricultural Sciences in Jiangsu Province, the group carried out “two water and one drought, three greens a year” in the new reclamation area with water source conditions in Dafeng and Rudong. Luping seedlings planted when seeding - autumn stocking fine Luping) -based fine Luping improved heavy salt soil experimental study.