Permanganate numberindex of Jing river is much higher than those of other rivers.
泾河水体的高锰酸盐指数远高于其他河流；
2
Leaf numberindex right should the spike differentiation all stages within different variety were very similar.
不同品种的叶龄指数所对应的雄、雌穗分化各时期是基本一致的。
3
With 12 maize varieties used as materials, the regression relationship between the leaf numberindex and spike differentiation were studied under the spring and summer sowing.