英语语法分析

Vancouver is not an easy place to grow Solanum lycopersicum.

温哥华不是一个种植茄属植物的好地方。

The effects of soil loose on physiological characters and tuber yield formation of Solanum tuberosum L were studied.

研究土壤疏松对马铃薯生理特性和块茎产量形成的影响。

The result suggested that Solanum nigrum fruit was rich in nutrition.

结果表明，野生龙葵果含有丰富的营养成分。