氮肥施用量对蒙古黄芪生长发育及产量的影响

Effects of N Fertilizer on Mongolia Baikal Skullcap Growth and Yield

研究了氮肥施用量对蒙古黄芪生长发育及产量的影响。结果表明，氮肥施用量与蒙古黄芪鲜产量、干产量、根粗和根长关系均呈抛物线关系，适宜氮肥施用量为75．90—151．80kg／hm^2，但氮肥施用量对黄芪甲苷含量影响不明显。

The effect of N fertilizer on mongolia baikal skullcap growth and yield were studied in this report. The result shows that the relations was parabole between quantity of nitrogenous fertilizer employment and the fresh and dry yield, the root diameter and root length of baikal skullcap root respectively. The suitable nitrogenous fertilizer employment level was in 37.95 -75.9 kg/hm^2. The glucosidal content was not obviously affected by the nitrogenous fertilizer employment quantity.