Pot experiments were carried out to study the effects of the seedlings cultured in different ways on growth and development of tobacco plant during the fieldperiod (from transplanting to budding).
通过盆栽试验研究了不同移栽苗对大田期（移栽-现蕾）烟株生长发育的影响。
2
In the paper, emission of volatile sulfur gases from paddy soil was discussed in a growthperiod of paddy rice by constructing a field sampling system.
通过建立野外采样系统，对一个生长周期内水稻土释放的挥发性含硫气体进行了检测。
3
Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growthperiod.