| 不同植物群落对土壤主要营养指标的影响 |
| |
| 引用本文： | 王国生,温洪,高占琪,刘彦江,景和平,冯建山,陆飒,张洁.不同植物群落对土壤主要营养指标的影响[J].草业科学,2009,26(11):93-96. |
| |
| 作者姓名： | 王国生 温洪 高占琪 刘彦江 景和平 冯建山 陆飒 张洁 |
| |
| 作者单位： | 1. 甘肃省草原技术推广总站,甘肃,兰州,730030
2. 定西安定区种草站,甘肃,定西,743000 |
| |
| 基金项目： | 世界银行/全球环境基金项目 |
| |
| 摘 要： | 定点取样测定黄土高原丘陵沟壑区（定西安定区）天然草原和种植红豆草Onobrychis viciaefolia、小麦Triticum aestivum、马铃薯Solanum tuberosum土壤的几项主要营养指标。结果表明：在020 cm土层中，天然草地土壤含水量最高，较红豆草、小麦和马铃薯土壤含水量高5.6%～21.8%，差异显著或极显著；种植2年红豆草的草地土壤全氮含量达到1 367 mg/kg，高于其他植物群落的土壤相关指标，且建植2年红豆草土壤指标高于当年建植的红豆草，差异显著；不同植物群落有效磷含量差异不显著；各类型土壤在4月、6月和8月的有机质和有效磷含量呈现不同的变化趋势，土壤pH值变化平稳。
|
| 关 键 词： | 黄土高原 植物群落 土壤养分 |
The effect of plant communities on main soil nutrition |
| |
| WANG Guo-sheng,WEN Hong,GAO Zhan-qi,LIU Yan-jiang,JING He-ping,FENG Jian-shan,LU Sa,ZHANG Jie.The effect of plant communities on main soil nutrition[J].Pratacultural Science,2009,26(11):93-96. |
| |
| Authors: | WANG Guo-sheng WEN Hong GAO Zhan-qi LIU Yan-jiang JING He-ping FENG Jian-shan LU Sa ZHANG Jie |
| |
| Institution: | WANG Guo-sheng1,WEN Hong1,GAO Zhan-qi1,LIU Yan-jiang2,JING He-ping2,FENG Jian-shan2,LU Sa1,ZHANG Jie1(1.Gansu Provincial Grassl, Technical Extension Station,Lanzhou 730030,China,2.Dingxi District Grass Planting Station,Dingxi 743000,China) |
| |
| Abstract: | Soil nutrition of a natural grassland and three field cropped sainfoin,wheat and potato was assayed in the hills and dongas area of Loess Plateau in Anding District,Dingxi City.The results showed that soil water content in the natural grassland in the 0-20 cm soil layer increased by 5.6%~21.8% than that of the crop lands(P<0.05 or P<0.01),Total nitrogen content in the two years sainfoin soil was up to 1 367 mg/kg,which was higher than the 1-years sainfoin soil,and other soil(P<0.05).Effective phosphor conte... |
| |
| Keywords: | loss plateau plant community soil nutrition |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《草业科学》浏览原始摘要信息 |
| 点击此处可从《草业科学》下载免费的PDF全文 |
|
