Total, leaf, stem and root iron and zinc contents in plants of <i>L. japonicus</i> MG-20 and Gifu B-129 plants.

Seven-day-old plants were watered with 0.5×Hoagland’s nutrient solution, with or without addition of 10 mM NaHCO3 over 21 days. Average data (±SE; n = 12) with the same letter within each ecotype are not significant different (Duncan, P<0.001).将生长7天的植株采用含或不含10 mM碳酸氢钠（NaHCO3）的0.5倍霍格兰氏（Hoagland）营养液浇灌，处理周期为21天。本实验数据以平均值±标准误（SE）表示，每组重复数n=12；同一生态型内标注相同字母的数据组间无显著性差异（邓肯多重比较法，P<0.001）。