| 000 | 00572nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140224s9999 xx 000 0 und d | ||
| 082 | _a631.416.1:633(07) L2 | ||
| 100 | _aBartholomew, W.V. | ||
| 245 | _aSoil nitrogen; supply processes and crop requirements. | ||
| 260 |
_aSpring field _bNTIS, U.S. Dept. of Commerce _c1972 |
||
| 300 | _avii,78p. | ||
| 490 | _aU.S.Department of Commerce, NTIS; Technical Bulletin; no.6 | ||
| 600 | _aW.V. Bartholomew | ||
| 650 | _aSoil-nitrogen content,Cereal fertilizers and manures,Nitrogen fertilizers,Growth(Plants) | ||
| 942 | _cBK | ||
| 999 |
_c95924 _d95924 |
||