To explore the effects of different planting methods on growth characteristics and yield of double cropping rice, with conventional early rice 'Zhongjiazaol7', hybrid early rice 'Lingliangyoul04' as materials in early-late season, a field experiment was conducted during 2013 - 2014 to compare the different planting methods, including direct seeding (DS), artificial transplanting (AT), seedling throwing (ST) and mechanical transplanting (MT). Results showed that the yield of MT of the two varieties in early season was the highest and...