000 00300nam a22001097a 4500
005 20210825105215.0
008 210825b |||||||| |||| 00| 0 eng d
082 _a633.18
245 _aHow extensive are yield declines in long term rice wheat experiments in Asia/
300 _c30 cm.
942 _2ddc
_cAG
999 _c9729
_d9729