Ecological agriculture is with device of growing seedlings von HUANG LI, LYU ZHIGANG, XING XUYING, LI MEIYING, FENG HAO, KAN QINGTAO, GAO SHIYU, ZHAO YANG, GUO YANTAO, WANG HONGXIA, LIU QIANGCHONG, ZHANG JINKE, LI YANG, JIA LU, CHENG ZHONGZHOU, WANG QINBAO

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Multifunctional sowing machine with dark pine is fertilizied and shovels von LIU QIANGCHONG, ZHANG KELING, JIA LU, LIU RUIXIN, SUN JUNZHEN, LI SHUJIAN, WU RUIGE, ZHANG QINGBO, DAI HAO, ZHU ZHAOXU

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Medicine sprinkler apparatus for plant protection von CHEN WEI, LIU QIANGCHONG, XING XUYING, WANG WENHUI, LI YANG, LIU RUIXIN, DAI HAO, ZHANG QINGBO, ZHU ZHAOXU, YANG ZUHAO

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