spad meaning in English
什帕德
叶绿素测值
叶绿素仪
Examples
- On the other , the decrease of spad and the soluble sugar content and the activity of nr of the hyperaccumulators appeared significant difference
但各种供试富集植物的aba含量一直呈上升趋势，且差异显著。 - The concentration of lead treatment was 400mg . l " " , and the screened standards are spad of plant leaves , the plant length and the content of lead in plants
同时满足条件处理叶绿素值对照叶绿值0 . 90 、处理株高对照株高1 . 00和处理含pb量500mg kg的植物做进一步的耐性试验。 - Meet jointly to the criteria of spad / ck > 0 . 9 , plant length / ck > 1 . 00 and lead content > 500mg / kg , and they are claimed hyperaccumulators . 2 . ecophysiological response of the hyperaccumulators
按以上标准筛选出6个富集pb的植物品种，分别是香根草、绿叶苋菜、裂叶荆芥、羽叶鬼针草、紫穗槐和苍耳。 - All parameters exhibited spatial correlation except for soil ph . soil total n and organic matter , spad , lai and spad lai were all positively correlated to rice yield
发现除土壤ph值外的其它土壤特性、作物长势和产量都表现出空间自相关性，达到中等及以上强度；土壤全氮、有机质、 spad 、 lai 、 spad * lai与产量均达到极显著正相关。 - On one hand , the growth of spad and the activity of nr had no significant difference at 5 % level . the maximum of soluble sugar content of amaranthus tricolor and bidens maximowiciziana showed significant difference compared with the contrched samples
试验结果表明，随着pb处理浓度的增加，各种富集植物的叶片叶绿素值、可溶性糖含量和硝酸还原酶活性表现出相同趋势，上升后又下降。