[1]赵团结，盖钧镒，李海旺，等.超高产大豆育种研究的进展与讨论[J].中国农业科学，2006,39(1):29-37.（Zhao T J, Gai J Y, Li H W, et al. Advances in breeding for super high-yielding soybean cultivars[J]. Scientia Agricultura Sinica, 2006,39(1):29-37.） [2]Ojima M, Kawashima R. Studies on the seed production of soybean Ⅷ. The ability of photosynthesis of F3 lines having different photosynthesis in their F2 generations[J]. Proceedings of the Crop Science Society of Japan，1969, 39:440-445. [3]Morrison M J, Voldeng H V，Cober E R. Physiological changes from 58 years of genetic improvement of short-season soybean cultivars in Canada[J]. Agronomy Journal，1999,91:685-689. [4]Specht J E, Hume D J，Kumudini S V. Soybean yield potential-A genetic and physiological perspective[J]. Crop Science，1999, 39:1560-1570. [5]张含彬,任万军，杨文钰，等.不同施氮量对套作大豆根系形态与生理特性的影响[J].作物学报，2007,33(1):107-112.(Zhang H B , Ren W J , Yang W Y, et al. Effects of different nitrogen levels on morphological and physiological characteristics of relay planting soybean root[J]. Acta Agronomica Sinica，2007,33 (1):107-112.) [6]Gahoonia T S, Nielsen N E. Variation in root hairs of soybean cultivars doubled soil phosphorus uptake[J]. Euphytica, 1997,98:177-182. [7]杜天庆, 闫心柏, 苗果园.不同微肥处理对大豆根系及地上部相关性的影响[J].山西农业大学学报，2006，（2）：159-163.(Du T Q, Yan X B, Miao G Y. Effects of microelement fertil izers on the correlation between soybean root system and aerial parts[J]. Journal of Shanxi Agriculture University，2006（2）:159-163.) [8]Bhattarai S P, Midmore D J，Pendergast L.Yield, water-use efficiencies and root distribution of soybean, chickpea and pumpkin under different subsurface drip irrigation depths and oxygation treatments in vertisols[J]. Irrigation Science, 2008,26(5):439-450. [9]杨秀红，吴宗璞，张国栋.不同年代大豆品种根系性状演化的研究[J]，中国农业科学，2001，34(3)：60-63. （Yang X H, Wu Z P, Zhang D.Evolution of root characters of soybean varieties of different ages[J]. Scientia Agricultura Sinica，2001,34(3):60-63.） [10]傅金民, 董钻.大豆根系生长与产量的关系[J].大豆科学，1987,6(4): 261-279.（Fu J M,Dong Z.The relation of root growth and yield in soybean[J].Soybean Science, 1987,6(4): 261-279.） [11]Pantalone V R,Rebetzke G J, Burton W, et al. Phenotypic evaluation of root traits in soybean and applicability to plant breeding[J]. Crop Science，1996,36:456-459. [12]金剑, 王光华, 刘晓冰.东北黑土区高产大豆R5期根系分布特征[J]. 中国油料作物学报，2007, 29 (3):266- 271.（Jin J, Wang G H, Liu X B. Characteristics of root distribution at R5 stage in high yielding soybean in black soil[J]. Chinese Journal of Oil Crop Sciences，2007,29(3):266-271. [13]Migue R. The vertical distribution of below ground biomass in grassland communities in relation to grazing regime and habitat characteristics[J]. Journal of Vegetal Science，1995,6:63-72. [14]Minch F R,Sunmeeifield R J, Carbonmetabolism M C. Nitrogen assimilation and seed yield of cowpea grown in an adverse temperature gime[J]. Experimental Botany，1980,31:1327-1347. [15]Abu-Shakra S S, Phillips D A,Huffaker R C. Nitrogen fixation and delayed leaf senescence in soybeans[J]. Science，1978,199: 973-975. [16]Noodén L D, Mauk C S. Changes in the mineral composition of soybean xylem sap during monocarpic senescence and alterations by depodding[J]. Physiologia Plantarum，1987,70(4):735-742. [17]Ookawa T, Nishiyama M. Differences in leaf senescence among reciprocally grafted plants of two soybean cultivars, enrei and tachinagaha[J]. Plant Product Science，1999,2(1) : 51-52. [18]Nooden L D，Letham D S. Cytokinin Metabolism and signalling in the soybean plant[J]. Plant Physiology,1993,20(5):639-653. [19]Hayati R,Egli D B,Crafts S J. Carbon and nitrogen supply during seed filling and leaf senescence in soybean[J].Crop Science,1995,35:1063-1069. [20]田佩占.大豆品种根系的生态类型研究[J].作物学报，1984,10(3):173-177.(Tian P Z. The research on root ecology type in soybean[J]. Acta Agronomica Sinica，1984,10(3):173-177.)