the effects of p and k fertilizers on the carbon and nitrogen metabolism and photosynthetic efficiency of dark sun-cured tobacco were studied with a pot experiment.
采用盆栽试验研究了磷钾配施对晒红烟碳氮代谢和光合效率的影响。
by using pot tests, the effect of low-p stress on dark sun-cured tobacco endogenous hormone and root activities were studied during different growth stage.
通过盆栽试验和室内分析,研究低磷胁迫对晒红烟内源激素和根系活力的影响。
the changes of main chemical components of dark sun-cured tobacco during curing process were studied.
对晒红烟晒制过程中的主要化学成分含量变化进行了研究。