The ring frame and the screen can make the plant growing medium manually separated to be multi-layer with different height.
圈架和筛网可以将植物生长介质人为地分隔成高度不同的多个层次。
With ketchup, early maturity, 7-9 normal appeared in the leaf, plant height 80-90 centimeters, leaf of medium size, growing extremely strong, fruit after fast growth.
早熟、跟茄正常出现在7—9片叶，株高80—90厘米，叶片中等大小，长势极强，坐果后生长速度快。
The variations of grain filling period, 1000 kernel weight, plant height and ear height with latitude and altitude were studied using 6 medium maturing maize varieties grown in Southwest China.
对6个中熟玉米品种在我国西南地区不同纬度和海拔高度的灌浆期、千粒重、株高和穗位高的变异与纬度和海拔的关系进行了分析。
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