一级做a免费观看大全视频,中文字幕乱码无限2019,日日麻批40分钟免费视频播放,精品专区性色av,国产性夜夜春夜夜爽,岛国三级片免费看久久,久久五月天和激情网

China accelerates rice cultivation in saline soil

Source: Xinhua| 2019-05-16 14:47:28|Editor: Liangyu
Video PlayerClose

CHINA-AGRICULTURE-SALINE ALKALI SOIL (CN)

Farmers operate a machine to transplant rice seedlings in a paddy field with saline-alkali soil in Xiaodanba Village of Hohhot, north China's Inner Monglia Autonomous Region, June 1, 2015. China has about 100 million hectares of saline-alkali soil, of which about one fifth could be ameliorated to arable soil. (Xinhua/Wang Zheng)

   Prev 1 2 3 4 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001380634091


一级做a免费观看大全视频,中文字幕乱码无限2019,日日麻批40分钟免费视频播放,精品专区性色av,国产性夜夜春夜夜爽,岛国三级片免费看久久,久久五月天和激情网 国产视频观看91 国产00在线视频国产 国产综合色视频久久久 久久成人国产精品一区二区 高清无码免费黄色网站