000 00409 a2200133 4500
080 _a631.423
_bW 439 G
245 1 _aGuide for interpreting soil test information
_cby C.D. Welch, et. al.
260 _aRaleigh
_bNorth Carolina Agricultural Experiment Station
_c1963
650 _aSoil Testing
100 1 _aWelch, C.D.
300 _a57 p.
040 _aIARI, New Delhi
901 _a110239
999 _c43998
_d43998