| 000 | 00464 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a631.81+631.417.2 _bH 793 C |
||
| 245 | 1 |
_aChemicals, humus and the soil a simple presentation of contemporary knowledge and opinions about fertilizers, manures and soil fertility _cby D.P. Hopkins |
|
| 260 |
_aLondon _c1946 |
||
| 650 | _aAgricultural Chemicals | ||
| 650 | _aHumus | ||
| 650 | _aSoil | ||
| 100 | 1 |
_aHopkins, D.P. _d |
|
| 300 | _a278 p. & 3 pls. | ||
| 901 | _a20626 | ||
| 999 |
_c45363 _d45363 |
||