Crop and Environment最新文献_第5页

Agriculture in silico: Perspectives on radiative transfer optimization using vegetation modeling 计算机农业:利用植被模型对辐射转移优化的展望

Crop and Environment Pub Date : 2023-07-18 DOI: 10.1016/j.crope.2023.07.003

Yujie Wang, Yi Yin

{"title":"Agriculture in silico: Perspectives on radiative transfer optimization using vegetation modeling","authors":"Yujie Wang, Yi Yin","doi":"10.1016/j.crope.2023.07.003","DOIUrl":"https://doi.org/10.1016/j.crope.2023.07.003","url":null,"abstract":"<div><p>Advancing crop yield within limited agricultural land use is crucial to alleviate potential food shortages from the increasing world population. While genetic breeding holds great potential in improving crop yield, real-world practices are often constrained by the limitations of scaling the laboratory findings with respect to coupled environmental feedback and limited tools to project the optimal strategies based on environment and crop traits such as crop density management. Aided by a process- and trait-based vegetation model, we review and theoretically evaluate approaches that aim to improve crop yield through canopy radiative transfer optimization. The evaluated approaches include trait breeding (e.g. leaf color and chlorophyll action spectrum), canopy structure (e.g. canopy density and spacing), and environment manipulation (e.g. supplemental radiation intensity and source). We prototype vegetation modeling applications that can theoretically explore the potentials of a number of approaches at various setups that otherwise require tremendous effort in the real world, and propose to use vegetation modeling to guide more efficient agricultural practices. Future elaborations in vegetation modeling with respect to more physiological representations of vegetation processes, quantification of maintenance costs, and utilization of remote sensing data would further advance the utilization of modeling in agriculture.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 4","pages":"Pages 175-183"},"PeriodicalIF":0.0,"publicationDate":"2023-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49732198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Smallholder maize yield estimation using satellite data and machine learning in Ethiopia 埃塞俄比亚利用卫星数据和机器学习估算小农玉米产量

Crop and Environment Pub Date : 2023-07-07 DOI: 10.1016/j.crope.2023.07.002

Zhe Guo , Jordan Chamberlin , Liangzhi You

{"title":"Smallholder maize yield estimation using satellite data and machine learning in Ethiopia","authors":"Zhe Guo , Jordan Chamberlin , Liangzhi You","doi":"10.1016/j.crope.2023.07.002","DOIUrl":"https://doi.org/10.1016/j.crope.2023.07.002","url":null,"abstract":"<div><p>The lack of timely, high-resolution data on agricultural production is a major challenge in developing countries where such information can guide the allocation of scarce resources for food security, agricultural investment, and other objectives. While much research has suggested that remote sensing can potentially help to address these gaps, few studies have indicated the immediate potential for large-scale estimations over both time and space. In this study we described a machine learning approach to estimate smallholder maize yield in Ethiopia, using well-measured and broadly distributed ground truth data and freely available spatiotemporal covariates from remote sensing. A neural networks model outperforms other algorithms in our study. Importantly, our work indicates that a model developed and calibrated on a previous year's data can be used to reasonably estimate maize yield in the subsequent year. Our study suggests the feasibility of developing national programs for the routine generation of broad-scale, high-resolution estimates of smallholder maize yield, including seasonal forecasts, on the basis of machine learning algorithms and well-measured ground control data and currently existing time series satellite data.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 4","pages":"Pages 165-174"},"PeriodicalIF":0.0,"publicationDate":"2023-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49732206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Progress and challenges of rice ratooning technology in the south of Henan Province, China 豫南水稻再生产技术的进展与挑战

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.04.002

Qiang Zhang , Xiangchen Liu , Guilong Yu , Haiying Zhao , Daqing Feng , Mengxuan Gu , Tao Zhu , Xu Kuang , Bingbing Li

{"title":"Progress and challenges of rice ratooning technology in the south of Henan Province, China","authors":"Qiang Zhang , Xiangchen Liu , Guilong Yu , Haiying Zhao , Daqing Feng , Mengxuan Gu , Tao Zhu , Xu Kuang , Bingbing Li","doi":"10.1016/j.crope.2023.04.002","DOIUrl":"https://doi.org/10.1016/j.crope.2023.04.002","url":null,"abstract":"<div><p>Rice ratooning technology is on the rise in Henan Province of China, an area that has traditionally been considered unsuitable for ratoon rice due to limited thermal resources. In this review, we presented the current status of ratoon rice production in South Henan and reviewed the research progress on variety selection, high-yielding crop management practice, and innovative ratoon rice-based cropping system in this region. The key practices for high-yielding ratoon rice production include using short to medium duration rice varieties, early planting, early harvesting, and high cutting height. As a result of the introduction of these high-yielding practices, the harvested area of ratoon rice has increased to 40,000 ha annually in South Henan in recent years. Meanwhile, ratoon rice production in South Henan is facing several challenges and constraints, such as chilling injury at seedling stage, inappropriate N fertilizer management, and large yield losses in ratoon season due to rolling damage from mechanical harvesting of the main crop. Nonetheless, these issues could be addressed by placing particular emphasis on optimizing seedling-raising system, selecting rice varieties with high resistance to mechanical rolling, and fine-tuning crop management practices for mechanized rice ratooning. As such, we believe that this review will shed light on the development of ratoon rice in Henan and other regions with limited thermal resources.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 2","pages":"Pages 75-80"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49708436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Progress and challenges of rice ratooning technology in Anhui Province, China 安徽省水稻再生产技术进展与挑战

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.04.003

Min Xi , Youzun Xu , Zhong Li , Run Hu , Taiping Cheng , Yongjin Zhou , Debao Tu , Yalan Ji , Xiujuan Xu , Xueyuan Sun , Wenge Wu

{"title":"Progress and challenges of rice ratooning technology in Anhui Province, China","authors":"Min Xi , Youzun Xu , Zhong Li , Run Hu , Taiping Cheng , Yongjin Zhou , Debao Tu , Yalan Ji , Xiujuan Xu , Xueyuan Sun , Wenge Wu","doi":"10.1016/j.crope.2023.04.003","DOIUrl":"https://doi.org/10.1016/j.crope.2023.04.003","url":null,"abstract":"<div><p>Ratoon rice cultivation has expanded to improve resource use efficiency, increase economic profits, and ensure food security in China in recent years. This article reviewed the development history and research progress of ratoon rice in Anhui Province, located in the lower reaches of the Yangtze River. Key cultivation technologies related to rice variety selection, planting patterns, fertilizer and water management strategies, as well as harvesting methods and stubble heights of the main crop for high-yielding ratoon rice were summarized. Particularly, we described three types of rice ratooning technologies in Anhui, including the technologies for medium-duration <em>indica</em> hybrid variety with the main crop harvested mechanically at high stubble height, for <em>indica-japonica</em> hybrid variety with the main crop harvested mechanically at medium stubble height, and for short-duration <em>indica</em> variety with the main crop harvested mechanically at low stubble height. Additionally, this review analyzed several challenges for the sustainable development of ratoon rice in Anhui, such as poor understanding of mechanisms underlying simultaneous improvement of high yield and high quality, the lack of rice varieties with strong ratooning ability, the yield loss from mechanical harvesting of the main crop, the unstable grain yield due to adverse weather, and the insufficient financial support for R&D. Finally, the prospects for further development of ratoon rice were proposed, including technology development and dissemination, farmers' training, and profit-boosting from premium products.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 2","pages":"Pages 81-86"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49708408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Progress and challenges of rice ratooning technology in Jiangxi Province, China 江西省水稻再生产技术的进展与挑战

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.04.005

Li Xiong , Zengbing Liu , Ping Wang , Xiyue Lin , Guowei Wang , Qiubao Li , Wenxue Zhang , Guangrong Liu , Caihong Shao

{"title":"Progress and challenges of rice ratooning technology in Jiangxi Province, China","authors":"Li Xiong , Zengbing Liu , Ping Wang , Xiyue Lin , Guowei Wang , Qiubao Li , Wenxue Zhang , Guangrong Liu , Caihong Shao","doi":"10.1016/j.crope.2023.04.005","DOIUrl":"https://doi.org/10.1016/j.crope.2023.04.005","url":null,"abstract":"<div><p>This review was undertaken to summarize the development, experience, and challenges of ratoon rice cultivation over 50 years in Jiangxi Province, China. As the growing labor shortage in the last decade, rice ratooning technology with the main crop harvested mechanically has widely spread and quickly replaced the traditional ratoon rice under manual harvesting. However, rolling damage caused by harvesting machines becomes a critical factor for yield loss in the ratoon season. Some key agronomic practices including variety selection, optimal planting time, nutrient and water management, etc. were discussed here for minimizing rolling damage and achieving high grain yield in the ratoon crop under mechanical harvesting. Besides, some innovative crop rotation systems have been attempted by integrating ratoon rice with duck farming or fragrant taro for reducing weeds and disease incidences and improving farmers' profit. At last, this review analyzed the challenges and opportunities for further expansion of ratoon rice production in Jiangxi from the perspective of cultivation technology, rice market, and government policy.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 2","pages":"Pages 87-91"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49708409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mechanisms of nanomaterials for improving plant salt tolerance 纳米材料提高植物耐盐性的机理

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.03.002

Chengcheng Fu , Mohammad Nauman Khan , Jiasen Yan , Xiaolu Hong , Fameng Zhao , Lingling Chen , Huixin Ma , Yanhui Li , Jiaqi Li , Honghong Wu

引用次数: 1

Predicting rice grain yield using normalized difference vegetation index from UAV and GreenSeeker 基于无人机和GreenSeeker归一化植被指数的水稻产量预测

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.03.001

Hiroshi Nakano, Ryo Tanaka, Senlin Guan, Hideki Ohdan

{"title":"Predicting rice grain yield using normalized difference vegetation index from UAV and GreenSeeker","authors":"Hiroshi Nakano, Ryo Tanaka, Senlin Guan, Hideki Ohdan","doi":"10.1016/j.crope.2023.03.001","DOIUrl":"https://doi.org/10.1016/j.crope.2023.03.001","url":null,"abstract":"<div><p>A precise, simple, and rapid growth diagnosis method using normalized difference vegetation index (NDVI) obtained by unmanned aerial vehicle (UAV), which will help determine nitrogen (N) application rate to increase grain yield in numerous farmers' fields, is necessary for the development of a robust production system for rice (<em>Oryza sativa</em> L.). In the present study, we examined the relationship between UAV-NDVI and NDVI measured with the GreenSeeker handheld crop sensor (GS-NDVI), and between grain yield and UAV-NDVI or GS-NDVI at the reproductive stage in the plant communities at 4–1 week (wk) before heading in 2018 and 2019 and in 2020 and 2021, respectively. In the data of each measurement day in 2018 and 2019, the relationship between UAV-NDVI and GS-NDVI was strongly positive. However, in the pooled data of different measurement days, the relationship between UAV-NDVI and GS-NDVI was weakly positive. This was because GS-NDVI was more constant under various climatic conditions and across various time of day than UAV-NDVI at the reproductive stage. Furthermore, in the pooled data of different years in 2020 and 2021, GS-NDVI correlated more strongly with grain yield than UAV-NDVI between 3 and 1 wk before heading. To increase the efficiency of growth diagnosis and yield prediction in the numerous farmers’ fields, UAV-NDVI could be used with correction by a few measurements of GS-NDVI determined on the same day.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 2","pages":"Pages 59-65"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49708269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Summer pulses as sources of green manure and soil cover in the U.S. Southern Great Plains 在美国南部大平原，夏季豆类作为绿肥和土壤覆盖的来源

Crop and Environment Pub Date : 2023-06-01 DOI: 10.1016/j.crope.2023.04.001

Gurjinder S. Baath , Sayantan Sarkar , Brian K. Northup , Bala Ram Sapkota , Prasanna H. Gowda , K. Colton Flynn

{"title":"Summer pulses as sources of green manure and soil cover in the U.S. Southern Great Plains","authors":"Gurjinder S. Baath , Sayantan Sarkar , Brian K. Northup , Bala Ram Sapkota , Prasanna H. Gowda , K. Colton Flynn","doi":"10.1016/j.crope.2023.04.001","DOIUrl":"https://doi.org/10.1016/j.crope.2023.04.001","url":null,"abstract":"<div><p>Winter wheat (<em>Triticum aestivum</em> L.) – summer fallow rotations in the Southern Great Plains (SGP) have numerous sustainability issues, such as low precipitation use efficiencies and increased soil erosion. Replacing summer fallow with a legume grown as a green manure would help reduce soil erosion, improve precipitation use efficiency, and add nitrogen (N) credits for the subsequent wheat crop. A two-year field experiment evaluated the capabilities of three summer pulses: soybean [<em>Glycine max</em> (L.) Merr.], moth bean [<em>Vigna aconitifolia</em> (Jacq.) Marechal], and tepary bean [<em>Phaseolus acutifolius</em> (A.) Gray] to serve as green manures and soil cover. We examined their performance across two row spacings (38 and 76 cm) and two moisture regimes (rainfed and irrigated). Narrow row spacing (38 cm) provided greater canopy cover, aboveground biomass, and N accumulation than the broad row spacing (76 cm) during the early growing season. Among species, tepary bean demonstrated consistent and higher canopy cover early in the season. Soybean produced the highest aboveground biomass (5,327–8,855 kg ha<sup>−1</sup>) and N accumulation (115–269 kg ha<sup>−1</sup>) among the three pulses. Multilinear regression (MLR) models suggested that canopy height and canopy cover could estimate both aboveground biomass (R<sup>2</sup> = 0.62) and N accumulation (R<sup>2</sup> = 0.55) for tested pulses. Based on results, soybean was the most promising choice among tested pulses, considering its higher aboveground biomass and N accumulation. Modelling studies to simulate growth of these crops with long-term weather scenarios are encouraged to identify the most reliable cover crop for different areas of the SGP.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 2","pages":"Pages 66-74"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49708420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of nitrogen management on grain yield of rice grown in a high-yielding environment under flooded and non-flooded conditions 氮肥管理对水涝和非水涝高产水稻产量的影响

Crop and Environment Pub Date : 2023-03-01 DOI: 10.1016/j.crope.2023.02.004

Christopher Proud , Shu Fukai , Brian Dunn , Tina Dunn , Jaquie Mitchell

{"title":"Effect of nitrogen management on grain yield of rice grown in a high-yielding environment under flooded and non-flooded conditions","authors":"Christopher Proud , Shu Fukai , Brian Dunn , Tina Dunn , Jaquie Mitchell","doi":"10.1016/j.crope.2023.02.004","DOIUrl":"https://doi.org/10.1016/j.crope.2023.02.004","url":null,"abstract":"<div><p>With increased cost and scarcity of irrigation water, flooded rice growing system may need to be replaced with water-saving technologies which includes part or complete removal of flooding and to be replaced with non-flooded aerobic conditions. However, to maintain high grain yield equivalent to that achieved with flooded rice, nitrogen (N) management may need to be modified. Experiments were conducted in a high-yielding environment with total N applied up to 180 kg ha<sup>−1</sup> and three application times to determine its effect on N uptake, grain yield and grain protein content of rice grown under aerobic (AR), delayed permanent water (DPW) and flooded (FD) conditions. Grain yield increased by 3.50–4.50 t ha<sup>−</sup><sup>1</sup> with total N application rate of 180 kg ha<sup>−1</sup> in AR and 120 kg ha<sup>−1</sup> in both DPW and FD. Maximum yield was about 10.5, 12.0 and 13.0 t ha<sup>−1</sup> in AR, DPW and FD, respectively, and the difference was mostly reflected in the grain yield difference obtained under 0 N application. Apparent recovery of fertilised N and agronomic N use efficiency were similar between AR and FD, but DPW took up a higher proportion of N fertiliser applied before commencement of flooding and had slightly higher grain yield response to total N application up to 120 kg ha<sup>−1</sup>. It is concluded that the limitation for grain yield for rice grown in the AR condition was the crop's inability to take up N from the soil, rather than the inability to take up N fertiliser or to convert the N uptake to grain yield.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 1","pages":"Pages 37-45"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49732252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Enhancing leaf photosynthesis from altered chlorophyll content requires optimal partitioning of nitrogen 通过改变叶绿素含量来增强叶片光合作用需要氮的最佳分配

Crop and Environment Pub Date : 2023-03-01 DOI: 10.1016/j.crope.2023.02.001

Zhenxiang Zhou , Paul C. Struik , Junfei Gu , Peter E.L. van der Putten , Zhiqin Wang , Xinyou Yin , Jianchang Yang

{"title":"Enhancing leaf photosynthesis from altered chlorophyll content requires optimal partitioning of nitrogen","authors":"Zhenxiang Zhou , Paul C. Struik , Junfei Gu , Peter E.L. van der Putten , Zhiqin Wang , Xinyou Yin , Jianchang Yang","doi":"10.1016/j.crope.2023.02.001","DOIUrl":"https://doi.org/10.1016/j.crope.2023.02.001","url":null,"abstract":"<div><p>While optimising leaf chlorophyll content ([CHL]) has been proposed as a relevant means to manipulate canopy light penetration and canopy photosynthesis, effects of modifying [CHL] on leaf photosynthesis are yet to be investigated thoroughly. A greenhouse experiment and a field experiment were conducted involving rice genotypes of different genetic backgrounds and their leaf-colour variants. Leaf photosynthesis was more influenced by alteration to yellow-leaf than to stay-green cases. Higher specific leaf area and stomatal conductance were observed in two yellow-leaf variants, while only one yellow-leaf variant showed significantly increased Rubisco carboxylation capacity (<em>V</em><sub>cmax</sub>), maximum electron transport rate (<em>J</em><sub>max</sub>), and photosynthetic nitrogen-use efficiency (PNUE). Model analysis indicated that reducing leaf [CHL] decreased the energy loss via non-photochemical quenching, but improving <em>V</em><sub>cmax</sub>, <em>J</em><sub>max</sub>, and PNUE would require an improved nitrogen distribution pattern within the leaf. Label-free quantitative proteomics confirmed that an increased investment of nitrogen in Cyt <em>b</em><sub>6</sub>/<em>f</em> and Rubisco was observed in the yellow-leaf variant of the genetic background with improved <em>V</em><sub>cmax</sub>, <em>J</em><sub>max</sub>, and PNUE, but not in the other background. Our results suggest that reducing [CHL] can improve leaf photosynthesis only if the saved nitrogen is optimally distributed to proteins that are more rate-limiting to photosynthesis.</p></div>","PeriodicalId":100340,"journal":{"name":"Crop and Environment","volume":"2 1","pages":"Pages 24-36"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49732251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3