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LEADER |
02165nam a2200385 a 4500 |
008 |
050201s1979||||cr |||||||||||||||||spa|| |
041 |
0 |
|
|a spa
|
082 |
0 |
|
|a 631.45
|b S39c
|
100 |
0 |
|
|a Suárez de Castro, Fernándo.
|
245 |
0 |
0 |
|a Conservación de Suelos.
|
250 |
|
|
|a 3§ed.
|
260 |
|
|
|a Costa Rica :
|b C.I.D.I.A.,
|c 1979
|
300 |
|
|
|a 315.p.ils.
|
440 |
|
|
|a ( IICA : Serie deLibros y Materiales Educativos ;
|v No. 37 )
|
500 |
|
|
|a comp.indice
|
650 |
|
|
|a EROSION DE SUELOS Y SU CONTROL
|
650 |
|
|
|a CONSERVACION DE SUELOS
|
650 |
|
|
|a ADMINSTRACIÓN AGRICOLAS
|
592 |
|
|
|a Como se forman y como se destruyen los suelos
|
592 |
|
|
|a Factores sociales y económicos que influyen sobre la erosion de los suelos
|
592 |
|
|
|a Como se defienden los suelos : reconocimiento y modificación de las caracteriticas de los terrenos de las finca
|
592 |
|
|
|a Practicas culturales y agronómicas
|
592 |
|
|
|a Practicas mecánicas
|
592 |
|
|
|a Lucha contra la eroción eólica
|
592 |
|
|
|a Programas nacionales de conservación de suelos
|
991 |
|
|
|a No asignado
|
992 |
|
|
|a 12/10/2007
|
942 |
|
|
|c BK
|
999 |
|
|
|c 107004
|d 107004
|
952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189194
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003008
|l 6
|o 631.45 S946
|p 13003008
|r 2020-03-10
|s 2020-03-10
|t 1
|w 2012-08-15
|y BK
|x 12-10-07
|
952 |
|
|
|0 0
|1 0
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189195
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003009
|o 631.45 S946
|p 13003009
|r 2012-08-15
|t 2
|w 2012-08-15
|y BK
|x 12-10-07
|
952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189196
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003010
|o 631.45 S946
|p 13003010
|r 2014-12-05
|t 3
|w 2012-08-15
|y BK
|x 12-10-07
|
952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189197
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003011
|o 631.45 S946
|p 13003011
|r 2012-08-15
|t 4
|w 2012-08-15
|y BK
|x 12-10-07
|
952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189198
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003012
|l 3
|m 2
|o 631.45 S946
|p 13003012
|r 2016-08-15
|s 2016-08-15
|t 5
|w 2012-08-15
|y BK
|x 12-10-07
|
952 |
|
|
|0 0
|1 0
|4 0
|6 631_450000000000000_S946
|7 0
|8 CG
|9 189199
|a 13
|b 13
|c CG
|d 2012-08-15
|i 13003013
|o 631.45 S946
|p 13003013
|r 2012-08-15
|t 6
|w 2012-08-15
|y BK
|x 12-10-07
|