| 000 | 00450 a2200145 4500 | ||
|---|---|---|---|
| 082 |
_a630.24 _bCHE |
||
| 090 |
_c21513 _d33431 |
||
| 245 |
_aChemicalisation of plant production in the tropics and subtropics _bpart 1 _b fertilization |
||
| 260 |
_aLeipzig _c1977 _g1977 |
||
| 300 |
_a213p. _c21cm |
||
| 440 | _a4th scientific conference | ||
| 650 | _aMISCELLANY AND SCIENTIFIC PRINCIPLES | ||
| 650 | _aAGRICULTURE AND RELATED TECHNOLOGY | ||
| 942 | _cL | ||
| 999 |
_c48991 _d48991 |
||