With the soil aged for 30 days, earthworm mortality, wheat seed germination, shoot length, root elongation, shoot fresh weight, root fresh weight are no longer sensitive for high concentration (phenanthrene 200mg? kg-1+pyrene 200mg ?
对于老化30天的土壤来说,蚯蚓死亡率、小麦的种子发芽率、芽长、根伸长、芽鲜重、根鲜重不再是高浓度污染土壤(菲200mg·kg-1+芘200mg·kg-1)的敏感指标,蚯蚓、根和芽中抗氧化酶指标中SOD是敏感指标。
参考来源 - 土壤中多环芳烃的生物有效性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
一种促使茎和根伸长的合成植物激素。
A synthetic plant hormone promoting elongation of stems and roots.
本研究为水稻冠状根伸长的分子调控机理提供了新的理解。
Our findings provide new information about the molecular regulation of the emergence of crown root in rice.
结果表明：木屑为催根基质，根伸长较快，且后期不存在根老化现象，成花率也高于珍珠岩为基质的材料，且可缩短生育期。
The results showed that when sawdust was used as root-forcing medium, the root elongation was faster, the flowering frequency was higher, and also the growing period could shorten.
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