| 000 | 00448nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 150909s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _a631.8 | ||
| 082 | _bCOL/CO | ||
| 100 | _aColwill J.D | ||
| 100 | _eEditor | ||
| 245 | _aComputation of optimal rates of application of fertilizers from quadratic response functions | ||
| 260 | _a- | ||
| 260 | _bNTIS | ||
| 260 | _c1974 | ||
| 650 | _aFertilizers | ||
| 942 | _cBK | ||
| 999 |
_c231250 _d231250 |
||