高场示范区土壤的中、日基层分类比较

Chinese and Japanese Classification of Soil Basic Unit on Soils at Gaochang Model District

采用中国湖北新、旧制土壤基层单元的划分标准和日本的土壤基层单元的设定标准进行了高场示范区土壤类型的区分。该区土壤可分为６ 个土系１４ 个土种或９ 个土壤统（ 日本式） ，面积为２１２３５ ｈｍ２ 。其中，有待改良的涝渍地类型土壤３６６２ ｈｍ２ ，漏水、肥型土壤３４９９ ｈ ｍ２ ，针对各土系的障碍因素，提出了相应的改良途径，并比较了中、日基层分类体系的差异性。

The soils of Gaochang model district were identified using new and old distinction standards of soil basic unit of Hubei, China and established standards of Japan. The district soils were divided to 6 Chinese soil series or 14 soil species or 9 Japanese soil series. Among the total area of 212.35 hm 2, waterlogged land area was 36.62 hm 2 , water and fertilizer leaking soil area was 34.99 hm 2. According to different barrier factors of all soil series ameliorating methods were set up correspondingly.The differences of Chinese and Japanese soil basic unit systems were also contrasted.