000 | 00316 a2200133 4500 | ||
---|---|---|---|
080 |
_a631.8(063) _bI 61 F |
||
245 | 1 |
_aFertilization of protected crops _bProceedings |
|
260 |
_aSwitzerland _bI.P.I. _c1968 |
||
650 | _aFertilizer | ||
650 | _aFertilization | ||
100 |
_a _d |
||
300 | _a390 p. | ||
901 | _a121609 | ||
999 |
_c82303 _d82303 |