6Cirrilo A G,Andrade F H.Sowing date and maize productivity:crop growth and dry matter partitioning[J].Crop Science,1994,34(4):1039-1043.
7Early E B,Mcilrath W O,Seif R D,et al.Effects of shade applied at different stages of plant development on corn (Zea mays) production[J].Crop Science,1967(7):151-156.
8Dale A E,Drennan D H.Transplanted maize(Zea mays) for grain production in southern England.Ⅰ.Effects of planting date,transplant age at planting and cultivar on grain yield[J].Journal of Agricultural Science,1997(128):27-35.
9Dale A E,Drennan D H.Transplanted maize (Zea mays) or grain production in southern England.Ⅱ.Effects of planting date,transplant age at planting and cultivar on growth,development and harvest index[J].Journal of Agricultural Science,1997(128):37-44.
