3Guldan S J. Relationship of cotyledon cell number and seed respiration to soybean seed growth [J] .Crop sci, 1985.25: 815- 19.
4Egli D B, D M TeKrony, J J Heitholt, et al. Air Temperature During Seed Fining and Soybean Seed Germination and Vigor [J] . Crop Sci, 2.005, 45: 1329-1335.
5Spears J F, D M TeKrony, D B Egli.Temperature during seed filling and soybean seed germination and vigour [ J ] .Seed Sci.Technol.1997,25:233 - 244.
6Egli D B.Seed biology and the yield of grain crops [ M ] . CAB Int., Wallingfotd, UK, 1998.
8Thomas M. Cheesbrongh. Changes in the Enzymes for Fatty Acid Synthesis and Desaturafion during Acclimation of Developing Soybean Seeds to Altered Growth Temperature [ J] .Plant Physiol, 1989, 90: 760-764.
9P Weisz Randall, F Robret. Sinclair. Response to Drought Stress of Nitrogen Fixation (Acetylene Reduction) Rates by Field - Grown Soybeans [J] .Plant Physiol, 1985, 78: 525-530.
10Mark E, J R Schussler.Effect of Water Deficits on Seed Development in Soybean [J] .Plant Physiol, 1989, 91: 1980- 1985.
