译 名：
Study on properties of soil nutrient loss from mountanious region in rubber plantation in Hainan
作 者：
SHE Gui-lian,WU Min,WEI Jia-shao,HE Peng,WU Bing-sun,ZHANG Yan-hua(Rubber Reserch Institute,CATAS,Danzhou 571737,China)
关键词：
mountain rubber plantation;soil nutrient;soil horizon
摘 要：
A field study of soil nutrient loss was conducted in red soil on sloping surface.The results showed that soil nutrients were that OM changed from 9.06 to 15.68 g/kg,total N changed from 0.53 to 0.89 g/kg,total P changed from 0.53 to 0.89 g/kg,available P changed from 1.40 to 7.33 mg/kg,total K changed from 5.07 to 21.77 g/kg,available K changed from 26.80 to 71.41 mg/kg.The OM,TN,TK and available potassium are lower than the savageness tropical rain forest,but the TP and available P are appreciably high than the savageness tropical rain forest.The characteristic of nutrient in different terrain is that: the low nutrient content,strong eluviation and feeblish enrichment are in sloping fields crest.The high nutrient content,feeblish eluviation,strong enrichment are in the valley.The moderate Fields、moderate hill and cracked campagna are intervenient the sloping fields crest and valley,some nutrient contents and change extent are intervenient the sloping fields crest and valley.
