000 | 00395 a2200145 4500 | ||
---|---|---|---|
080 |
_a631.811.3(213) _bI 61 P |
||
245 | 1 | _aPotassium in tropical crops and soils | |
260 |
_aSwitzerland _bInternational Potash Institute _c1973 |
||
650 | _aPotassium Requirement | ||
650 | _aTropical Crops | ||
700 | _aInternational Potash Institute | ||
100 |
_a _d |
||
300 | _a603 p. | ||
901 | _a119914 | ||
999 |
_c82438 _d82438 |