近30年海南岛土壤有机质时空变异特征及成因分析
姜赛平,张认连,张维理,徐爱国,张怀志,谢良商,冀宏杰

Spatial and Temporal Variation of Soil Organic Matter and Cause Analysis in Hainan Island in Resent 30 Years
JIANG SaiPing,ZHANG RenLian,ZHANG WeiLi,XU AiGuo,ZHANG HuaiZhi,XIE LiangShang,JI HongJie
表1 样点土地利用类型统计表1)
Table 1 The statistics table about the land-use types of samples
土地利用类型
Land-use types
作物类型
Crop types
样点数
Number of samples
水田 Paddy field 水稻 Rice、稻菜轮作 Rice crop rotation 70
旱地 Dry land 菜豆Bean、菊花Chrysanthemum、辣椒Pepper、辣椒-西瓜Pepper-watermelon、木薯Cassava、玉米Corn、菠萝Pineapple、甘蔗Sugarcane、甘蔗-香蕉Sugarcane-Banana香蕉Banana2) 32
园地 Garden plot 芒果Mango、荔枝Litchi、胡椒Piper nigrum、绿橙Green orange、红毛丹Rambutan、茶叶Tea、橡胶Rubber、槟榔Areca catechu、桉树Eucalyptus、桑树Mulberry3) 60