生物活性肥料对向日葵生长的影响

ore the effect of biologically active fertilizer to root grow, the sunflower (genus Helianthus) seeds were placed in a rhizobox filled with the dirt. Rhizobox was inclined under 45 degrees for positioning of the growing roots closer to the lower wall in response to gravity. On the right part of rhizobox were Control sunflower seeds and on the left side were sunflower seeds soaked in biologically active fertilizer for 12 hours. Sunflower seeds were grown in rhizobox for 12 days. upper part of dirt was compressed to much and this was a reason why seeds did not break the surface.

光厂(VJshi)视频提供生物活性肥料对向日葵生长的影响视频素材下载，适用于生物学，立陶宛共和国，地下的，蔬菜，谷物等主题的内容创作。

作者署名：zygis41/Getty Images/华夏视觉