[1] Mohammadzadeh F, Monirifar H, Saba J, et al . Genetic variation among Iranian alfalfa ( Medicago sativa L.) populations based on RAPD markers. Bangladesh Journal of Plant Taxonomy, 2011, 18(2): 93-104. [2] Muller M H, Prosperi J M, Santoni S, et al . Inferences from mitochondrial DNA patterns on the domestication history of alfalfa ( Medicago sativa ). Molecular Ecology, 2003, 12(8): 2187-2199. [3] Krochko J E, Derek Bewley J. Seed storage proteins in cultivars and subspecies of alfalfa ( Medicago sativa L.). Seed Science Research, 2000, 10(4): 423-434. [4] Muller M H, Poncet C, Prosperi J M, et al . Domestication history in the Medicago sativa species complex: inferences from nuclear sequence polymorphism. Molecular Ecology, 2006, 15(6): 1589-1602. [5] Bauchan G R, Hossain M A. Distribution and characterization of heterochromatic DNA in the tetraploid African population alfalfa genome. Crop Science, 2001, 41(6): 1921-1926. [6] Liu Y F, Wang M L, Hu X D, et al . The alfalfa industry development and its enlightenment to China. Agricultural Outlook, 2014, (8): 49-54. [7] Lu X S. Problems with the development of alfalfa industry in China. Chinese Journal of Grassland, 2013, 35(5): 1-5. [8] Hong F Z. Alfalfa Science[M]. Beijing: China Agriculture Press, 2009: 1-30. [9] Li P, Sun J, Xing J J. Origin and dissemination of alfalfa. Inner Mongolia Prataculture, 2012, 24(1): 5-8. [10] Luo Y Z, Li G. The effect of water stress on growth and biomass of Medicago sativa cv. Xinjiangdaye. Acta Prataculturae Sinica, 2014, 23(4): 213-219. [11] Li J Y, Liu G J, Chen L A. Effect of alfalfa on soil improvement and production increasing. Acta Pedologica Sinica, 1960, 8(1): 13-21. [12] Wang X J, Zhang S Z, Lin S S, et al . Advances in study on bio-energy utilization of stem cell wall components in alfalfa ( Medicago sativa L.). Scientia Agricultura Sinica, 2013, 46(8): 1694-1705. [13] Wu R R. Review on alfalfa scientific research of past 30 years. China Herbivores, 1987, 5: 1-2. [14] Chang S, Liu N, Wang X, et al . Alfalfa carbon and nitrogen sequestration patterns and effects of temperature and precipitation in three agro-pastoral ecotones of northern China. PloS one, 2012, 7(11): e50544. [15] Deng F, Li X, Wang H, et al . GIS-based assessment of land suitability for alfalfa cultivation: a case study in the dry continental steppes of northern China. Spanish Journal of Agricultural Research, 2014, 12(2): 364-375. [16] Yang Q C. Guide for Alfalfa Planting Zone[M]. Beijing: China Agriculture Press, 2012. [17] Lu X S, He Q. Genetic diversity for Chinese alfalfa cultivars and landraces. Grassland of China, 1997, 6:1-6. [18] Sun B, Peng Y, Yang H, et al . Alfalfa ( Medicago sativa L.)/maize ( Zea mays L.) intercropping provides a feasible way to improve yield and economic incomes in farming and pastoral areas of northeast China. PloS one, 2014, 9(10): e110556. [19] Long R, Yang Q, Kang J, et al . Overexpression of a novel salt stress-induced glycine-rich protein gene from alfalfa causes salt and ABA sensitivity in Arabidopsis . Plant cell reports, 2013, 32(8): 1289-1298. [20] Xu B, Yang X C, Bai K Y, et al . Alfalfa climatic subdivisions in China. Acta Agrestia Sinica, 2007, 15(4): 316-321. [21] Yang P, Zhang P, Li B, et al . Effect of nodules on dehydration response in alfalfa ( Medicago sativa L.). Environmental and Experimental Botany, 2013, 86: 29-34. [22] Geng H Z. Chinese Alfalfa[M]. Beijing: China Agriculture Press, 1995. [23] Zhang Y F, Wang Q S. On Commercialization of alfalfa in China. Grassland of China, 2000, 1: 64-69. [24] Chen R, Chen C M, Hu Z G, et al . Principles and Applications of Analyzing a Citation Space[M]. Beijing: Science Press, 2014. [25] Thagard P. The Cognitive Science of Science: Explanation, Discovery, and Conceptual Change[M]. Cambridge: Massachusetts Institute of Technology Press, 2012. [26] Sun Q Z, Yu Z, Ma C H, et al . Achievements of the alfalfa industry in last decade and priorities in next decade in China. Pratacultural Science, 2013, 30(3): 471-477. [27] Ren J Z, Hou F J. Pastoral agriculture system plays an important role in food security: Thought on melamine milk powder crisis. Pratacultural Science, 2009, 26(8): 6-9. [28] Ren J Z. The structure of China’s traditional agriculture system must be changed: concern about the 9-yrear continuous increase of grain. Acta Prataculturae Sinica, 2013, 22(3): 1-5. [29] Ren J Z, Lin H L, Hou X Y. Developing the agro-grassland system to insure food security of China. Scientia Agricultura Sinica, 2007, 40(3): 614-621. [30] Li R C, Lin H L. Developing the agro-grassland system to insure food security of China. Journal of Agricultural Chemistry and Environment, 2014, 3(3): 9-15. [31] Lu X S. The development history and opportunities of grass industry in China. Acta Agrestia Sinica, 2015, 23(1): 1-4. [6] 刘玉凤, 王明利, 胡向东, 等. 美国苜蓿产业发展及其对中国的启示. 农业展望, 2014, (8): 49-54. [7] 卢欣石. 中国苜蓿产业发展问题. 中国草地学报, 2013, 35(5): 1-5. [8] 洪绂曾. 苜蓿科学[M]. 北京: 中国农业出版社, 2009. [9] 李平, 孙杰, 邢建军. 论苜蓿的起源与传播. 内蒙古草业, 2012, 24(1): 5-8. [10] 罗永忠, 李广. 土壤水分胁迫对新疆大叶苜蓿的生长及生物量的影响. 草业学报, 2014, 23(4): 213-219. [11] 李继云, 刘冠军, 陈玲爱. 苜蓿对土壤改良与增产的效果. 土壤学报, 1960, 8(1): 13-21. [12] 王晓娟, 张树振, 林双双, 等. 紫花苜蓿 ( Medicago sativa L.) 生物能源利用的研究进展. 中国农业科学, 2013, 46(8): 1694-1705. [13] 吴仁润. 我国苜蓿科研工作30年回顾. 中国草食动物, 1987, (5): 1-2. [16] 杨青川. 苜蓿种植区划及品种指南[M]. 北京: 中国农业大学出版社, 2012. [17] 卢欣石, 何琪. 中国苜蓿品种资源遗传多样性研究. 中国草地, 1997, 6:1-6. [20] 徐斌, 杨秀春, 白可喻, 等. 中国苜蓿综合气候区划研究. 草地学报, 2007, 15(4): 316-321. [22] 耿华珠. 中国苜蓿[M]. 北京: 中国农业出版社, 1995. [23] 张玉发, 王庆锁. 试论中国苜蓿产业化. 中国草地, 2000, (1): 64-69. [24] 陈悦, 陈超美, 胡志刚, 等. 引文空间分析原理与应用(CiteSpace实用指南) [M]. 北京: 科学出版社, 2014. [26] 孙启忠, 玉柱, 马春晖, 等. 我国苜蓿产业过去10年发展成就与未来10年发展重点. 草业科学, 2013, 30(3): 471-477. [27] 任继周, 侯扶江. 草地农业系统是食品安全的重要保证——关于“三聚氰胺奶粉”事件的反思. 草业科学, 2009, 26(8): 6-9. [28] 任继周. 我国传统农业结构不改变不行了——粮食九连增后的隐忧. 草业学报, 2013, 22(3): 1-5. [29] 任继周, 林慧龙, 侯向阳. 发展草地农业确保中国食物安全. 中国农业科学, 2007, 40(3): 614-621. [31] 卢欣石. 中国草产业的发展历程与机遇. 草地学报, 2015, 23(1): 1-4. |