野葛及百喜草对红壤坡地水土保持及土壤改良的效应  被引量:17

Effects of wild pueraria and bahia grass on soil and water conservation and soil amelioration in red soil of hilly land

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作  者:范淑英[1] 吴才君[1] 曲雪艳[1] 

机构地区:[1]江西农业大学农学院,南昌330045

出  处:《中国生态农业学报》2005年第4期191-193,共3页Chinese Journal of Eco-Agriculture

基  金:江西省自然科学基金项目(0130047)资助

摘  要:试验研究红壤坡地野葛水土保持和土壤改良效应结果表明,横峰野葛和百喜草可有效增大土壤持水量、土壤孔隙度和降低土壤容重,提高土壤pH值、有机质和N、P、K含量,减少土壤侵蚀量和径流量,水土保持和改良土壤效果明显,且野葛综合效果优于百喜草。The effects of wild pueraria and bahia grass on soil and water conservation and soil amelioration were studied in red soil of hilly land. The results show that Hengfeng wild pueraria and bahia grass can improve the soil capacity of water, soil porosity,pH value, organic matter, the contents of N, P and K, and decrease the soil bulk density, soil erosion and runoff. It gets good effects in soil and water conservation and soil amelioration, and wild pueraria has better integrative effect than bahia grass.

关 键 词:红壤坡地 野葛 百喜草 水土保持 改良土壤 土壤改良效应 土壤持水量 土壤孔隙度 土壤pH值 土壤侵蚀量 

分 类 号:S727.250.5[农业科学—林木遗传育种] S157[农业科学—林学]

 

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