00414 a2200145 4500 49571 49571 WUSLLib 181210b ||||| |||| 00| 0 eng d 631.83 MET Methods of k- research in plants Bern International Potash Institute 1989 1989 336p. 23cm Fertilizers , soil conditioners, growth regulators 173 Specific techniques 174 Potassium fertilizers 12136 L ddc 0 0 0 0 LEN MKDL MKDL LEN 2009-08-12 0 631.83MET 50087 2009-08-12 00:00:00 0.00 2016-10-31 L