Irrigation experiments was conducted to study the effects of different irrigation amounts on the structures and compositions of root and stem secondary xylem anatomy of Lycium barbarum L.by the non-weight lysimeter.The results showed that:(1)with the increasing of irrigation amount,the vessel diameter of root became more and more wide,and the more significantly positive correlation existed with them(r=0.942).Vessel frequency was the highest under 900 m3/hm2.The change of ratio of vessel area to secondary xy...
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