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Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (25): 5-9.doi: 10.11924/j.issn.1000-6850.casb16060042

Special Issue: 园艺

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Soil nutrient characteristics of poplar plantation in different ageof the forest in Dongting Lake area

汤玉喜,杨 艳,李永进 and 吴 敏   

  • Received:2016-06-08 Revised:2016-08-05 Accepted:2016-07-15 Online:2016-08-29 Published:2016-08-29

Abstract: In order to research the soil fertility characteristics of Populus plantation in the Dongting Lake, the soil nutrient of different age forest of Populus plantation were tested. The results showed that there is no significant difference of pH value in different age plantation soil, and showed alkaline. Exception of the high content of organic matter, the others of total N, total P, total K, available N, available P of 4 year old Populus plantation is the lowest, and it has significant difference with 2 year old and 8 year old plantation. The available P content is generally low in different growth stage of soil of Populus plantation. The content of Ca, Mg and S is highest of soil in 2 year old Populus plantation. The soil fertility from high to low in order is 2 year old plantation > 8 year old plantation > 4 year old plantation , and the focus of fertilization should be placed in the middle age Populus plantation.