000 01072nam a2200325Ia 4500
001 Para_6979
003 CHAP
008 220125s9999 xx 000 0 und d
010 _a205725
040 _cCHAP
082 _aPA-C 631.4 B85
100 _aPubols, Ben H.
_9171806
245 _aFerming systems and practices and their relations hip to soil conservation and farm income in the wheat region of Washington /
_c by Ben H. Pubols, Alden E. Orrand Carl P. Heisig
260 _aWashington :
_b State College of Washington. Agricultural Experiment Station
300 _a41 p.
440 _aBulletin ; 374
_9171807
500 _aEnc. con otros impresos similares
650 _aSuelos
_x conservación
_9110283
650 _aSuelos
_x EUA
_9171754
650 _aTrigo
_x EUA
_9171808
700 _aHeisig, Carl P.
_9171809
700 _aOrrand, Alden E.
_9171810
901 _aPA-C 631.4 B85
902 _aA
905 _a000000 0000000000 00
910 _a
942 _cPARA
942 _cPARA
_d1
999 _c205725
_d205725