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| 090 | _aFolleto 4339 | ||
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_aAmerican Society of Agronomy. Madison, Wis. _95293 |
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| 245 | _aMoving off the yield plateau | ||
| 250 | _a2 ed. | ||
| 260 |
_aMadison, Wis., _c1972 |
||
| 300 | _a89 p | ||
| 490 |
_aASA special publication _v; 20 |
||
| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0924 |
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_aBATCH-UPD _b10 _c20130410 _lUCH01 _h0545 |
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_aCONVERSION _b10 _c20130109 _lUCH01 _h1312 |
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_aCultivos _xMejoramiento. _930293 |
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_aCultivos _xRendimiento. _930318 |
| 650 | 1 | 4 | _aGenética vegetal. |
| 830 | 0 |
_aASA special publication _v; 20 |
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