000 | 00418nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 140205s9999 xx 000 0 und d | ||
020 | _a0891180702 | ||
082 | _a631.416/STE | ||
100 | _aStevenson, S J., ed. | ||
245 | _aNitrogen in agricultural soils | ||
260 |
_bAmerican Society of Agronomy _aMadison _c1982 |
||
300 | _a926 | ||
650 | _aCrops and soils | ||
650 | _aNitrogen fertilizers | ||
942 |
_2ddc _cBK |
||
999 |
_c1878 _d1878 |