Film mulching cultivation of rice is a new technology. To popularize this cultivation system and find out which variety is the most suitable for this new system in Zhejiang province, we studied the roles of nitrogen level and planting density on the growth characteristics and yield traits of different rice varieties under film mulching cultivation system and compared them with conventional cultivation system by field tests. The results are as follows:
1. In mountainous area(750m above sea level), rice y...