000 00853nam a2200289Ia 4500
001 Para_7015
003 CHAP
008 220125s1938 xx 000 0 und d
010 _a205761
040 _cCHAP
082 _aPA-C 631.4 B85
100 _aGraves, J. E.
_9171870
245 _aThe influence of cropping on the nitrogen-fixing powers of soil /
_c by J. E. Greaves and A. F. Bracken
260 _aUtah :
_b Utah. Agricultural Experiment Station
300 _a201-206 p.
500 _aEnc. con otros impresos similares
650 _aSuelos
_x EUA
_9171754
650 _aSuelos, nitrĂ³geno en
_9171871
700 _aBraken, A. F.
_9171872
901 _aPA-C 631.4 B85
902 _aA
905 _a0000001938 0000000000 00
910 _a1938
942 _cPARA
942 _cPARA
_d1
999 _c205761
_d205761