| 000 | 00512nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1981 xx 000 0 und d | ||
| 082 | _a633.31 V58N | ||
| 100 | _aVIANDS, D.R | ||
| 245 | 0 | _aNitrogen fixation in alfalfa responses to bidiretional selection for associated characteristics | |
| 260 |
_bWashington _c1981 |
||
| 300 | _a18p | ||
| 440 | _aAgricultural research service ,technical bulletin, no.1643 | ||
| 650 | _aALFALFA | ||
| 653 | _aALFALFA | ||
| 653 | _aNITROGEN -- FIXATION | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c79912 _d79912 |
||