Assessing trade-offs among productive, economic, and environmental indicators of forage systems in southern Tibetan crop-livestock integration
文献类型：期刊论文
| 作者 | Duan, Cheng1; Yu, Chengqun; Shi, Peili1; Huangqing, Dongzhi2; Zhang, Xianzhou1; Dai, Erfu1 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2023-06-10 |
| 卷号 | 876页码:162641 |
| 关键词 | Crop-forage rotation Crop-livestock integration Economics Environmental preference Trade-offs |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2023.162641 |
| 文献子类 | Article |
| 英文摘要 | Fostering crop-livestock integration via crop-forage rotation provides opportunities to cope with land degradation, feed deficit, and agropastoral sustainability. Farmers' preferences for forage options are infiuenced by economic ben-efit, environmental preference, and productive performance. However, there is little information available on evaluat-ing multiple trade-offs of forage systems for the design of crop-forage rotations. Here, we performed a comprehensive evaluation to compare the economic, environmental, and productive indicators of five typical forage systems in terms of habitat conditions, soil ecosystem services, economic profit, and forage yield and nutritive value on the southern Tibetan Plateau. Alfalfa pasture and silage corn were mostly cultivated in lower altitudes, with more abundant precip-itation, and higher growing degree days. Soil carbon and nitrogen accumulation were significantly higher in perennial alfalfa than in the other forage systems. The relative feed value of alfalfa pasture was also evidently greater than the other forage systems, whereas the yield of silage corn was among the highest. Alfalfa pasture presented superior eco-nomic benefits compared to the others. But the alfalfa pasture over six years showed a significant decrease in soil car -bon and nitrogen storage, net present value, and yield. Forage systems generally have more soil carbon accumulation, but only forage legumes are more likely to positively affect soil nitrogen retention compared to cereal croplands. The trade-offs among economic, environmental, and productive indicators demonstrated that annual forage systems (silage corn, forage oat, and ryegrass) met productive target rather than environmental and economic objectives, while peren-nial alfalfa showed synergies among the three goals. These findings indicate that integrating crop-forage rotation, par-ticularly introducing legume forages into farming systems is an adaptive option for crop-livestock integration on the southern Tibetan Plateau. Given the large topographic variation, suitable crop-forage systems should be designed for the heterogeneous Yarlung Zangbo River valleys. Among them, alfalfa-silage corn intercropping is recommended as a promising system to meet both productivity and profitability. |
| WOS关键词 | SOIL ORGANIC-MATTER ; GRASS-CLOVER LEYS ; ARABLE ROTATIONS ; NITROGEN POOLS ; LOESS PLATEAU ; CARBON ; ALFALFA ; YIELD ; DYNAMICS ; LEGUME |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS记录号 | WOS:000956024700001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/190488]  |
| 专题 | 拉萨站高原生态系统研究中心_外文论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modelling, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China 3.China Geol Survey, Xining Comprehens Ctr Nat Resources, Xining 810000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Duan, Cheng,Yu, Chengqun,Shi, Peili,et al. Assessing trade-offs among productive, economic, and environmental indicators of forage systems in southern Tibetan crop-livestock integration[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2023,876:162641. |
| APA | Duan, Cheng,Yu, Chengqun,Shi, Peili,Huangqing, Dongzhi,Zhang, Xianzhou,&Dai, Erfu.(2023).Assessing trade-offs among productive, economic, and environmental indicators of forage systems in southern Tibetan crop-livestock integration.SCIENCE OF THE TOTAL ENVIRONMENT,876,162641. |
| MLA | Duan, Cheng,et al."Assessing trade-offs among productive, economic, and environmental indicators of forage systems in southern Tibetan crop-livestock integration".SCIENCE OF THE TOTAL ENVIRONMENT 876(2023):162641. |
入库方式： OAI收割
来源：地理科学与资源研究所
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