| 000 | 00796nam a2200277u 4500 | ||
|---|---|---|---|
| 001 | 00979945 | ||
| 003 | PWmBRO | ||
| 008 | 920525s1984 It a b i00010 Eng | ||
| 010 | _a92013241 | ||
| 020 | _a9251021546 | ||
| 090 | 0 | _b631.451/U57t | |
| 100 | 1 | 0 | _aUnger, Paul W. |
| 245 | 1 | 0 |
_aTillage systems for soil and water conservation / _cby Paul W. Unger. |
| 260 | 0 |
_aRome : _bFAO, _c1984. |
|
| 300 |
_axvi, 278 p. : _bill. |
||
| 440 | 0 |
_aFAO soils bulletin ; _v54 |
|
| 504 | _aContains bibliography: p. 241-270. | ||
| 650 | 1 | 0 | _aTillage. |
| 650 | 1 | 0 | _aCropping systems. |
| 650 | 1 | 0 | _aConservation tillage. |
| 650 | 1 | 0 | _aSoil conservation. |
| 650 | 1 | 0 | _aWater conservation |
| 710 | 2 | 0 | _aFood and Agriculture Organization of the United Nations. |
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a084597 |
| 999 |
_c65388 _d65388 |
||