00334nam a2200121Ia 4500008004100000082002200041100002500063245002800088260004100116300001000157490002500167650002000192140113s9999    xx            000 0 und d  a631.459:631.61 J7  a" Vanderford, H. B."  aManaging southern soils  b"New York : John Wiley & sons, 1967"  a378p.  aSouthern farm series  aSoil management