<tt id="6hsgl"><pre id="6hsgl"><pre id="6hsgl"></pre></pre></tt>
          <nav id="6hsgl"><th id="6hsgl"></th></nav>
          国产免费网站看v片元遮挡,一亚洲一区二区中文字幕,波多野结衣一区二区免费视频,天天色综网,久久综合给合久久狠狠狠,男人的天堂av一二三区,午夜福利看片在线观看,亚洲中文字幕在线无码一区二区

          Space Journal: Entry 7 - Chinese farmers in space

          Xinhua | 2016-11-14 08:12

          Space Journal: Entry 7 - Chinese farmers in space

          Jing Haipeng takes care of the plans in Tiangong-2.[Photo/Xinhua]


          Sowing seeds in space is also different from on Earth, where we sow the seeds first and then water them. As the culture units in space are a solid material we water first and sow the seeds into the soft base.

          After this, we put a piece of plastic over the culture device, which works like a propagator and prevent water loss.

          On the fifth day onboard the space lab, the seeds had sprouted. My brother Chen Dong and I were very excited and relayed the news to our ground team. We took a lot of pictures.

          After the seeds sprouted, we took off the protective film and turned on the lights. We used red, blue and green light, with red as the strongest color.

          We also had to thin out our seedlings on the sixth day after we had sown them. My brother Chen and I think the lettuces look very fresh and greener than those grown on Earth.

          We used tweezers to pull out the weaker-looking sprouts and left two in each unit cell. We had to do this very carefully as the sprouts were still very delicate. Three days later, we did a second round of thinning and watering. This time, we only left one sprout in each cell.

          We do not need to water the plants everyday. According to agricultural experts, we only need to water the plants five times. We use syringes to water the roots.

          Also, we have to observe, take pictures and test the lettuces everyday.

          The lettuces have been growing well so far, and we are satisfied with our work.

          Some people have asked if the sprouts grow in a different direction in space. All our lettuces have grown upward, like on Earth, but it does seem that they are a bit taller.

          Tuesday will be the last day we tend to our vegetables in-orbit. We will take samples from the plants -- leaf cuttings and sections of the roots, keep them in a low-temperature storage device and bring them back to Earth.

          Another question has been whether the lettuces will be edible.

          This time, these vegetables are just for experimental tests, and will not be eaten. However, I believe that after further research, space-grown vegetables will be edible. I see a future where astronauts eat the vegetables they have grown in space.

          Previous Page 1 2 Next Page

          Related Stories

          BACK TO THE TOP
          Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
          License for publishing multimedia online 0108263

          Registration Number: 130349
          FOLLOW US
          主站蜘蛛池模板: 国产线播放免费人成视频播放| 久久综合亚洲色一区二区三区| 国精产品自偷自偷ym使用方法 | 干老熟女干老穴干老女人| 国产精品一精品二精品三| 99精品国产一区二区三区| 99精品国产成人一区二区| 亚洲一级特黄大片一级特黄| 91亚洲精品一区二区三区| 欧美不卡无线在线一二三区观| 曰韩亚洲AV人人夜夜澡人人爽| 精品视频福利| 中文字幕人妻无码一区二区三区| 国产一区二区不卡老阿姨| 精品乱子伦一区二区三区| 国内精品亚洲成av人片| 亚洲国产成人精品女久久| 国99久9在线 | 免费| 欧美高清狂热视频60一70| 久久人妻系列无码一区| 一级女性全黄久久生活片| 一道本AV免费不卡播放| 国产成人精品成人a在线观看| 日本高清中文字幕一区二区三区 | 国产精品无码不卡在线播放| 正在播放肥臀熟妇在线视频| 国产成人高清精品亚洲一区| 乱码中字在线观看一二区| caoporn免费视频公开| 视频一区二区三区四区久久| 色综合久久婷婷88| 中文字幕日韩有码一区| 做暖暖视频在线看片免费| 天堂www在线中文| 欧美亚洲精品中文字幕乱码 | 婷婷六月色| 亚洲产国偷v产偷v自拍色戒| 久久天天躁狠狠躁夜夜躁2o2o| 国产在线无码视频一区二区三区| 亚洲伊人情人综合网站| 无码AV无码免费一区二区|