This was not the first time attempt at growing zinnias, though.

不过，这并不是空间站首次尝试栽种百日菊。

Other astronauts aboard the ISS began growing the colorful flowers last year, but due to high humidity and low air flow, the plants leaked water out of the tips of their leaves. Mold was also affecting the growth.

国际空间站的其他宇航员去年就开始培育这种植物了，不过由于湿度大、空气流动不畅，百日菊的水分都从叶片流失了。霉菌也影响了植株生长。

Kelly then took over the operation and began tending to the plants as he would in his own garden. The ISS also successfully grew red romaine lettuce in July 2015. Kelly even took a bite of the harvested plants and posted the photo on his Twitter account.

后来凯利接手试验，他凭借在自家花园栽百日菊的经验培育它们，终获成功。2015年7月，国际空间站还成功培育出红生菜。凯利甚至尝了一口生菜，并把照片传到自己的推特页面。

NASA's next experimental growth using the Veggie plant growth system will be later this year. Astronauts will attempt to grow Chinese cabbage.

NASA蔬菜培育系统的下一个栽培项目将于今年晚些时候启动。届时宇航员将尝试种植中国大白菜。

The space agency will then attempt at growing dwarf tomatoes in 2018.

NASA还计划于2018年尝试种植矮番茄。

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