| 不同豆科田菁属(Sesbania spp)绿肥对酸性土壤有机碳含量的影响 |
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| 引用本文： | 黄睿,郇恒福,高玲,刘国道,黄冬芬.不同豆科田菁属(Sesbania spp)绿肥对酸性土壤有机碳含量的影响[J].热带生物学报,2017,8(3). |
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| 作者姓名： | 黄睿 郇恒福 高玲 刘国道 黄冬芬 |
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| 作者单位： | 1. 海南大学热带农林学院,海口570228;中国热带农业科学院热带作物品种资源研究所/农业部华南作物基因资源与种质创制重点实验室/农业部木薯种质资源保护与利用重点实验室,海南儋州571737;2. 海南大学热带农林学院,海口,570228 |
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| 基金项目： | 国家重点基础研究计划项目，海南省重点研发计划项目，现代牧草产业技术体系岗位科学家，中央级公益性科研院所基本科研业务费专项资金项目 |
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| 摘 要： | 豆科植物是热带、亚热带地区重要的绿肥资源,为了探明我国豆科绿肥的培肥效果,笔者通过田间试验,研究施用7份野生豆科田菁属绿肥后酸性土壤有机碳含量随时间的动态变化。结果表明,施用绿肥后,不同种质绿肥对土壤有机碳含量的影响不同,且不同绿肥对土壤有机质碳含量的影响效果随着施用时间的变化而不断变化;虽然不同田菁绿肥对土壤有机质含量影响的效果不一,但在施用1年内均能显著(P0.05)增加土壤有机碳的含量,并在施用1个月后效果最好,但随着时间的延长,土壤有机碳含量不断降低。
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| 关 键 词： | 豆科田菁属绿肥 有机碳含量 砖红壤 |
Effect of Different Sesbania Green Manure Plants on the Organic Matter Content in Acid Soil |
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| HUANG Rui,HUAN Hengfu,GAO Ling,LIU Guodao,HUANG Dongfen.Effect of Different Sesbania Green Manure Plants on the Organic Matter Content in Acid Soil[J].Journal of Tropical Biology,2017,8(3). |
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| Authors: | HUANG Rui HUAN Hengfu GAO Ling LIU Guodao HUANG Dongfen |
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| Abstract: | Leguminous plant was an important resource of green manures in the tropics and subtropics.Seven accessions of wild Sesbania plant germplasm under legume family were collected from various localities in Hainan,Guangdong and Fujian provinces and were applied as green manure in the soil at different time to observe their dynamic effects on the organic matter content in the acid soil.The results indicated that different Sesbania green manures after application had different effect on the soil organic matter content,which changed with the time of application,but the Sesbania green manures all could increase significantly (P ＜ 0.05) the soil organic matter content after one year of application.The soil organic content continuously decreased with the time of application of the Sesbania green manures. |
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| Keywords: | Sesbania green manures organic matter content laterite soil |
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