|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Estimating organic carbon storage in temperate wetland profiles in Northeast China显示文摘 | Wen-Ju Zhang He-Ai Xiao Cheng-Li Tong Yi-Rong Su Wan-sheng Xiang Dao-You Huang J. Keith Syers Jinshui Wu | 2008 | Geoderma2008，，1： | 2 |
| 2 | Winter wheat grain yield associated with precipitation distribution under long-term nitrogen fertilization in the semiarid Loess Plateau in China显示文摘 | Shengli Guo Hanhua Zhu Tinghui Dang Jinshui Wu Wenzhao Liu Mingde Hao Yong Li J. Keith Syers | 2012 | Geoderma2012，，： | 2 |
| 3 | 半干旱、半湿润热带地区土地的可持续管理显示文摘土地的可持续经营管理不但充分保证了当前的生产力水平,同时也可在时间序列上保护土地资源基础而不会对子孙后代的生存、发展造成危害。从全球角度,这一点对半干旱、半湿润的广大热带地区尤为重要。本文提供了5个研究案例,包括非洲、拉丁美洲和亚洲不同的土地管理系统。本文首先概括了引起土地退化的生物物理原因和社会经济原因,继而讨论了这两者之间的联系,并概括它们在区域上的共性和差异。提出了克服土地退化的实际方法与建议,包括:评估土地退化程度和土地的可持续性、土地质量变化的指示因子、生物物理与社会经济的信息联系以及必要的研究机构与设立基金机制。同时也推荐了直接包含土地使用者在内的多学科性的和参与性的方法。 | Keith Syers John Lingard Christian Pieri Exequiel Ezcurra Guy Faure 王明亮 宋明军 | 1996 | 人类环境杂志1996，25，8： | 2 |
| 4 | Contribution of livestock excreta to nutrient balances显示文摘 | SHELDRICK WILLIAM KEITH SYERS J LINGA- RD JOHN | 2003 | Nutrient Cycling in Agroecosystems2003，66，： | 1 |
| 5 | Dynamics in microbial immobilization and transformations of phosphorus in highly weathered subtropical soil following organic amendments显示文摘 | Jinshui Wu Min Huang He-Ai Xiao Yi-Rong Su Cheng-Li Tong Dao-You Huang J. Keith Syers | 2007 | Plant and Soil (-)2007，，1： | 1 |
| 6 | Contribution of livestock excreta to nutrient balances显示文摘 | Sheldrick William Keith Syers J L ingard John | 2003 | Nutrient Cycling in Agroecosystems2003，66，： | 1 |
| 7 | Cytotoxic and antimalarial prenylated xanthones from Cratoxylum cochinchinense显示文摘 | Laphookhied Surat Syers John Keith Kiattansakul Rattana | 2006 | Chemical and Pharmaceutical Bulletin2006，54，5： | 1 |
| 8 | Contribution of livestock excreta to nutrient balances显示文摘 | SHELDRICK WILLIAM KEITH SYERS J LINGARD JOHN | 2003 | Nutrient Cycling in Agroecosystems2003，66，： | 1 |
| 9 | Sub-regional dimensions of agricultural and environmental nitrogen:The case of Asia显示文摘Asia embraces a wide range of cropping environments, largely related to the diversity of climate. To meet the high food requirements of a very large population (some 59% of the earth's total) large inputs of mineral N fertilizer are required (44.2 Tg N.yr-1 in the mid 1990s).However, because of the low (20%-50%) overall efficiency of use of fertilizer N, sometimes coupled with heavy use in intensively-farmed areas (for example in parts of China), losses of fertilizer N from agricultural land are expected to be high. Part of the N lost is thought to cause pollution of the atmosphere and water resources.A sub-regional approach, based on the FAO Agroecological Zone (AEZ) concept, has the potential to provide meaningful assessments of the agricultural and environmental dimensions of N.The AEZ concept can also provide the rationale for locating Sub-regional Centers of the International Nitrogen Initiative (INI) by basing the considerations, as far as practicable, on agroecological conditions. | John Keith Syers | 2005 | Science China(Life Sciences)2005，48，z2： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员