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| 001 | MPKV113319 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a631.4 | ||
| 245 |
_aCrop and Soils Magazine Vol.39-35 No.4-9, 1-3 _c; |
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| 246 | _aCrop and Soils Magazine | ||
| 260 |
_aWisconsin _bAmerican Society of Agronomy _c1987, 82 |
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| 999 |
_c76586 _d76586 |
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