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 field period (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。
In the paper, emission of volatile sulfur gases from paddy soil was discussed in a growth period 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。
Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growth period.
对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测。
The microclimate over wheat field during total growth period was observed in 1998. The characteristics of radiation and heat processes over wheat field were analyzed.
观测了冬小麦全生育期田间小气候，分析了冬小麦田辐射过程和热量过程的特征。
The microclimate over wheat field during total growth period was observed in 1998. The characteristics of radiation and heat processes over wheat field were analyzed.
观测了冬小麦全生育期田间小气候，分析了冬小麦田辐射过程和热量过程的特征。
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