| 000 | 01560naa a22005177a 4500 | ||
|---|---|---|---|
| 003 | CR-SiIICA | ||
| 005 | 20200203203126.0 | ||
| 006 | a|||||r|||| 00| 0 | ||
| 007 | ta | ||
| 008 | 930101e cr |||||r|||| 00| | eng d | ||
| 040 | _cCR-SiIICA | ||
| 041 | _aeng | ||
| 090 | _aINVES-ET E11 M613 | ||
| 100 |
_973916 _aGrimshaw, R.G. |
||
| 100 |
_993998 _aMeyers, L.R. |
||
| 110 |
_91278 _aBanco Mundial, Washington, D.C. (EUA) |
||
| 111 |
_934022 _a9. Agriculture Sector Symposium _c(EUA) _d10-11 Ene 1989 |
||
| 245 | _aA review of existing soil conservation technologies and a proposed method of soil conservation using contour farming practices backed by vetiver grass hedge | ||
| 245 | _aInnovation in resource management: proceedings | ||
| 260 |
_aWashington, D.C. (EUA) _c1989 |
||
| 270 | _aIICA Prog II, San José (Costa Rica) | ||
| 300 | _ap. 81-97 | ||
| 500 | _aBib. p. 88-93 | ||
| 690 |
_9141831 _aCONSERVACION DE SUELOS |
||
| 690 |
_9146361 _aEROSION |
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| 690 |
_9164163 _aSEDIMENTACION |
||
| 690 |
_9135052 _aAGUA DEL SUELO |
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| 690 |
_9142019 _aCONTENIDO DEL AGUA EN EL SUELO |
||
| 690 |
_9160348 _aPRODUCTIVIDAD |
||
| 690 |
_9162442 _aRENDIMIENTO |
||
| 690 |
_9142499 _aCOSTOS |
||
| 690 |
_9143109 _aCULTIVO EN CURVAS DE NIVEL |
||
| 901 |
_aP36 _b16312 |
||
| 902 | _aF08 | ||
| 903 | _aKV | ||
| 904 | _aIICA | ||
| 905 | _aC | ||
| 906 | _a19930101 | ||
| 907 | _aIICA Prog II, San José (Costa Rica) | ||
| 908 | _aB | ||
| 909 | _aAM | ||
| 914 | _aEXTRA | ||
| 914 | _aINVESTIG | ||
| 942 | _cANA | ||
| 942 | _cIMP | ||
| 999 |
_c12387 _d12387 |
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