| 000 | 00501 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a631.83(213) _bI 61 R |
||
| 245 | 1 |
_aRole and importance of potassium in the agricultural systems of the humid tropics _bThe way forward |
|
| 260 |
_aBern _bInternational Potash Institute _c1986 |
||
| 650 | _aPotassium Fertilizers | ||
| 700 | _aInternational Potash Institute | ||
| 500 | _a(Source : Proceedings 19th Coll. International Potash Institute : Bern | ||
| 100 |
_a _d |
||
| 300 | _a40 p. | ||
| 901 | _a217339 | ||
| 999 |
_c82500 _d82500 |
||